A parallelogram has a base of 9 centimeters and a height of 21 centimeters. What is the area of the parallelogram?

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

What is coefficient of the term of degree of degree 5 in the polynomial below

Twenty points. 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