If Chris jumps into a pool from a platform, his height above the water is given by the equation h(t) = -16t2 + 21t + 20 where h(t) is the height in feet he is above the water at t seconds. Approximately, how long does it take Chris to hit the water (in seconds)? Your

1.33 seconds

1.57 seconds

2.16 seconds

1.95 seconds

it is probably the graph on the bottom right.

b

step-by-step explanation:

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98