Melanie has a $50 gift to use at Forever to buy clothes. She decides to buy t-shirts. Each t-shirt she wants to buy costs $6.25. The function f(x) = 6.25x -50 represents the amount of cash required to purchase x comic books after using his gift card. How much cash does Melanie need to buy 5 t-shirts?

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244