Tyler's sister works in the makeup store, Sephora. Tyler's sister earns a commission. She makes 2.5% of the amount she sells. Last week, she sold $900 worth of makeup and products. How much did she make?

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.

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2