How many quarters are there 3 and 6/8​

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Which letters from the table represent like terms? a and b b and c a and d b and d

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.