What is the absolute value of -11 2/3

What is the y-coordinate of the solution of the system of equations? [tex]y = 2x + 14 \\ - 4x - y = 4[/tex]y=

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 happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?