h(t)=−4(t)2+6t+4 represents Sally's height (h) in meters above the water t seconds after she leaves the diving board. What is the initial height of the diving board? At what time did Sally reach her maximum height? What was Sally's maximum height? How long was Sally in the air before diving into the water?

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000