F(x) = x + 2x + 12
for the following function, select the x-intercepts and y-intercept

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?

What is the area of triangle abc if a = 8, b = 11, and c = 15?

15/16 as a decimal rounded to the nearest hundredth