Mathematics

Which scenario would provide the least biased results? Surveying people at a concert about their favorite bands surveying every 10th person who enters a mall about their favorite type of cookie surveying people at a sporting event about their favorite team surveying 6th grade students about the location of the 8th grade dance
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Solve the equation 4x^2 + 24x + 13 = 2x^2+ 6x to the nearest tenth.
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Hunter assumed he would get 64 problems correct on his test, but he actually got 78 correct. What was his percent error? Round to the nearest percent
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A survey of 300 union members in New York State reveals that 112 favor the Republican candidate for governor. Construct the 98% confidence interval for the true population proportion of all New York State union members who favor the Republican candidate. Please show written work for question a to c below. a) Find critical value(s). b) "Find the Margin of Error" c) Find confidence interval for the problem.
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Find the Slope. (Slopes are incredibly difficult for me at the time could you help??)
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x + 2y = 13-x + y = 5
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metswementfollowing meas,Express cach of thein lowest terms,wto2.S.60
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convert the decimal 0.085to a percent
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i need help thanks fvbfuvfubvufvfv
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A motorcycle drives on a ramp in order to enter the parking garage. The ramp has a height of 4 feet and a horizontal length of 20 feet. What is the angle of the ramp?
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In the diagram ABD and BDC are supplementary, the measure of EDF = 9x, and the measure of ABD = (2x + 105).Based on this information, which equation can be used to find the value of x?Options:1. 9x=2x+1052. 2x+105+9x=1803. 2x+105+9x=804. 2x+106-9x=90
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Write the equation of a line that passes through the point (6,-3) and has a slope of -2 A. y= -2x+9 B. y= -3x+6 C. y= 6x-3 D. y=9x-2
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!!!!!TIMED REVIEW PLS ANSWER QUICKLY WILL LIST BRANLIEST!!!!subtract six eighths minus two fourths
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Complete 8,9 for 5-8 points.
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whats the answer for this
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Surface area of a cylinder in terms of pi
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a car salesman has 7 used cars for sale. They have a mean price of $8000. What is the total price of all 7 cars?
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10m - (my - y2) if m = 10 and y = 6
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greg made $204 for 17 hours of work at the same rate how many hours would he have to work to make $156
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Is the ordered pair (4, -2) a solution to this system? Explain why or why not.
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I'm sorry if its blurry I'm on my laptop btw theres a 7 if you can't see it
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A jar contains 10 red marbles, 8 green marbles, 5 blue marbles, and 6 white marbles. You also have a number cube. What is the probability of choosing a red marble and rolling an even number?
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Compute 90, 91, 92, 93, 94, and 95. 90 = 1 91 = 9 92 = 81 93 = 729 94 = 6561 95 = 59049 Make a conjecture about the units digit of 9n, where n is a positive integer. If n is even, the units digit of 9n is 1 . If n is odd, the units digit of 9n is 9 . Use strong mathematical induction to prove your conjecture. Submit your proof as a free response. (Submit a file with a maximum size of 1 MB.)
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Use the table below.John just ate a piece of pie that was 350 calories. How long would he have to bike at 10 mph to work off the pie? 87.5 min 32 min 50 min
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