Can someone answer these for me (real answers only please) thank you!!!!!!

What is the volume of a rectangular prism8 inches long, 3 inches wide, and 5 inches high?A120 cubic inchesB220 cubic inches16 cubic inches158 cubic inches Which numbers are written in scientific notation? Check all that apply.0.87x10^815.489 x 10^6O 10.1x 10^-1207.08 x 10^61.2345 x 10^-1 a + b = 300 pls help i cant find out the answer Help pleasee! I need to get this right. HELP PLSS I WILL GIVE BRAINLYESTI SUCK AT MATH I will give u brainliest and 5 star and thanks if its correct PLEASE HELP WITH THIS. WILL GIVE BRAINLEIST FOR AN ACTUAL ANSWER Determine the distance from (-5,-6) to (3,1). Someone know the answer? Look at the attached screenshot. In a right angled triangle where angle A= 90 and AB=AC. What are the values of angle B. Andrea played dominos nonstop for 52 minutes in Little Havana. If each match lasted 13 minutes, how many matches did she play in that time? Deborah finds that the theoretical probability of flipping "heads" on a fair coin was 50%. After she flipped the fair coin 100 times, she calculated that she flipped "heads" 45 times. What is the percent difference in theoretical and experimental probability? Identify the equation for the parabola with vertex (0, 0) and directrix x = 2.5. Multiplying a vector with another vector results in what type of answer.A) a directionB) a vectorC) either a vector or a scalarD) a scalar When and where would you expect to find the highest rate of primary productivity did Jem Finch ever meet Boo Radley Proteins provide an important dietary source of which mineral element?PhosphorusNitrogenPotassiumCalcium Im confused help me pls Why is the temperature at the extremities, such as the fingers,sometimes colder than the core body temperature?O A. So that less energy is lost in cold environments.OB. The fingers need to be colder to protect the durability of the nails.C. The fingers do not have thermoregulation mechanisms.D. So that more energy is lost in cold environments. Name any FIVE causes of stress in the workplace