The quadratic function f(x)=-16x^2+90 models the height of a baseball in feet after x seconds. how long is the baseball in the air?

a. 2.8125 s
b. 5.625 s
c. 11.25 s
d. 126.5625 s

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

What is the slope of the equation y =

Divide. write in simplest form 41/6 divided by 10