A model rocket is launched with an initial upward velocity of 138/fts. The rocket's height h (in feet) after t seconds is given by the following.=h−138t16t2 Find all values of t for which the rocket's height is 78 feet.

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?