Art and Bette Meish purchased 40 stamps, a mixture of 32c and 19¢ stamps. Find the number of each type of stamp if they spent $12.15.​

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?