A ball is launched from a platform. The equation for the ball's height h at timet
seconds after launch is
h(t) = -4.9t2 + 2.45t + 88.2 , where
h is in meters. What is the initial height of
the ball before launch?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air