Identify the volume and surface area of a sphere in terms of π.
first sphere has diameter 15 inches and second has radius 24 inches

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Which number produces a rationale number when multiplied by 1/5

Solve x+3y=6 and 4x-6y=6 by elimination . show work !