A rock is thrown into the air. It's height is given by the function h(t) = -16t^2+ 64t + 17 where his measured in feet and t in seconds.
What is the height of the rock after 1 second?
At what time is the rock the highest?
t=
What is the highest the rock goes?
When does the rock hit the ground?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !