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Shryia read a book cover to cover in a single session, at a constant rate. After reading for 1.5 hours, she had
402 out of the total 480 pages left to read.
Let y represent the number of pages left to read after 3 hours.
Complete the equation for the relationship between the number of pages left and number of hours.

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.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.