Which of the following is an example of the commutative property of multiplication?
a.) 3x(25) = (3x2)x5
b.) 9(1+2) = 9(1)+9(2)
c.) 8x 1/8 =1
d.) 7x2 = 2x7

Write the sentence as an equation. z plus 372 is equal to 160

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.