BC is tangent to circle D at point C. The measure of What is the measure of ZDBC?

A. 35°
B. 55°
C.90°
D.180°

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?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Rationalize the denominator- 12x/√x-10