E. a semicircular window with a radius of
36 inches allows light through an area of how
many square feet? you may use a calculator
if one is available. round your answer to the
nearest square foot.

Combine like terms7y^2 + 7(6y^2 − 8)

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2