Which property was applied to create this equivalent expression? 4(3x+5) = 12x+20

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle