1. a.- (x + 5); c. 2(3y + 7); e. 8(3a - 4b); g. -4(d - 6) 2. b. 7(p + 10q) + 2(6p + 7q); d. x + 3(2x - 3y + z) + 7z
3. Sam is x yrs old. Sam's uncle is four times as old as Sam will be in 5 yrs. Find the present age of Sam's uncle.

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Which of the following transformations will always produce a congruent figure?