Which pair of expressions is equivalent?
A) f + g + f + g and 2(f+g) B)2f + 4g - f-g and 2(f + g)
C) 0.5f + g + 1.5f - g and 2(f + g)
D) f-g+ f + g and 2(f + g)

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Combine like terms to make a simpler expression 3z+z