Find the mean of the picture below?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

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