12. (Constructed Response) Find the measure of arc JL. You must show your work to receive credit. (Hint: First, solve for x.)

Look at photo

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Which of the following expressions is equal to 2x^2+8

Uestion 1(multiple choice worth 5 points) (05.02)alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. calculate the area of the isosceles trapezoid. isosceles trapezoid with top base 12 feet, bottom base of 18 feet, and height of 6 feet. 72 ft2 84 ft2 90 ft2 108 ft2