Shilo is trying to compute the value of 27 + 55 + 13. she adds 27 + 13 to get 40, and then adds on 55. which of the following properties is shilo using? commutative distributive associative identity

How do i put 3(x+7) in distributive property

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

3.4a=57.8 what is the the value of a