For all values of x, which expression is equivalent to 2x + 5 − x + 3x + x − 2?
A) 4x + 2
B) 4x + 3
C) 5x + 3
D) 5x + 4

The floor plan of a room has a scale of 2.5 in.: 35 ft. in the drawing, the length of the room is 8 in. and the width of the room is 6 in. what is the perimeter of the actual room?

Acylinder has volume 45π and radius 3. what is it’s height?

The measure of an angle is 117°. what is the measure of a supplementary angle?