1. The height of a pop fly ball over the time after the ball is hit is modeled by the
function, h(t) = -16t2 + 81t + 5, where h is the ball's height in feet above the
ground and t is the time in seconds after the ball is hit. Use the quadratic formula to
find how many seconds it takes for the ball to hit the ground.

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11