Which expression are equivalent to -6x+12?
(7x+8) + (-13x+4)
-6(x-2)
(-7x+4) - (x-8)
1/3 (-18x+36)

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

Acircle has a circumference of 28.36 units what is the diameter of the circle