Looking at this shape, which line represents a Diameter?
Р
B.
A
0
С

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

Bring the fraction a/a-4 to a denominator of 16-a^2

52 cm radius = diameter = area = circumference = circumfer