HELP PLEASE WILL MARK BRAINLIEST

Explain how you can use the associative property to evaluate (7x50)x4.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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