At the library book sale. hardcover books costs for $4 and paperbacks books for $2 each. A person spends $26 for 8 books. How many hardcover books did she purchased?

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

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1