The sentence 3+ (5 + 2) = (5 + 2) + 3 illustrates A.
the commutative property of addition
B.
the associative property of addition
C. the distributive property of multiplication over
addition
D. the additive identity element

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Solve the formula ax+ by = c for x.

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.