Which property is illustrated by this problem 5(2 + 4) = (5.2) (5 . 4 ) commutative property of multiplication associative property of multiplication distributive property

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10