Solve the given system by substitution. Check your answer.
y = 1.8x − 7
2.5x − 12.6 = y

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Find the domain and range of the following function f(x) = 51x - 21+ 4

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.