If x and y vary directly, and x=12 when y=3, what will be the value of x when y=9

Use the distributive law to multiply. 3(4x + 5y + 6)

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.

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9