Each square on Olivia's chessboard is 21 square centimeters. A chessboard has 8 squares on each side. To the nearest tenth, what is the width of Olivia's chessboard? Olivia's chessboard is

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)