Multiply the numbers and simplifty the answer 3x1 3/4

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?

Mandy bought 1/6 pound almonds and 3/4 how many pounds did she buy in all?