Ricardo is solving an alligation to prepare a 30 mL tube of 2% hydrocortisone. He starts with 5% hydrocortisone and
1% hydrocortisone. What volume of 1% hydrocortisone should he use?
O 1.0 mL
O 3.0 mL
O 7.5 mL
O 22.5 mL

decrease 85 by 20%help plssss One school bus can hold 46 students. There are 29 students in each of the 5 fifth-grade classes. How many buses will they need in order to transport everyone to the zoo for a field trip? BRAINLIEST PLAAAAZZZZZZZZZZZZZ How do properties of water break down rocks? A coffee cup calorimeter will not be used todirectly measure the enthalpy of magnesiumcombustion because the coffee cups could melt.The calorimeter is made of coffee cups instead ofa beaker because coffee cups are better insulators than beakers.You will not measure the enthalpy of the reactionof H2 and 02 in the coffee cup calorimeter because this reaction involves gasesInstead, you will use a well-known publishedvalue.These are the correct answers on edge 2021 74. As layer upon layer of sediments are deposited, the process of the presses themtogether. What is the main difference between active transport and passive transport? (A) During active transport the water inside the cell is used to transport substances throughout the cell. Passive transport uses the cell's cytoplasm to move substances around the cell. (B) Passive transport moves substances throughout the cell without using the cell's energy and active transport moves substances using the cell's energy. (C) Active transport moves substances from higher concentrations to lower concentrations and passive transport moves substances from lower concentrations to higher concentrations. (D) Passive transport moves substances that are too large to get through the cell membrane by forming a vesicle inside the cell and active transport forms the vesicle on the outside of the cell. Cory has $24 more than twice as much as Stan. Together they have $150. How much money dose each have ? I need help with this 3 (x - 4)= 2x + 6 Complete the equations below. please please ANSWER ASAP GIVING BRAINLIEST AND OTHER STUFF!Please answer the following essay question with 5 or more sentences:What are the advantages of taking a random sample instead of surveying an entire population? Adele has 19 stamps in her collection.For her birthday, Don gave her 5 more,and then her father offered to buy hermore stamps to triple the number inher collection. Which expression showshow many stamps Adele will have inher collection after her birthday?A 19-(5 X 3)B 19 + (5 X 3)C (19-5) X 3D (19 + 5) X 3 A city planner knows that the number of daily riders on the subway is expected to increase by 12% over the next year. If the current number of daily riders is represented by d, which expression does NOT represent the expected number of daily riders next year?A.d+0.12dB. 1.12d C. (1 + 0.12)dD.0.12d Convert: :23.7 cm =mm Which two consecutive integers does -138 lie between?A:11 and 12B:12 and 13C:-11 and -12D:-12 and -13 How was the first World War the result of changes that occurred in the long nineteenth century? A 400g pack of couscous contains 116g of carbohydrate.A 250g bag of maize flour contains 195g of carbohydrate.A 1kg bag of wheat flour contains 640g of carbohydrate.Use percentages to work out the amount of carbohydrates in each. How many senators are elected to represent each state?a. Threeb. FourC. Oned. Two Supporters of the view expressed in "An Awful Blot" would most likely call forwhich of the following government actions?O A. Expanded subsidies for industrial entrepreneursB. Increased regulation and oversight of industryC. Reduced westward expansion into rural areasD. Restrictions on strikes and labor stoppagesSUBMIT Explain ONE effect of New Deal legislation on the role of the federal government in the United States economy.