Answer:
9
Step-by-step explanation:
because the end pieces match together so they each will equal 1.
(8, 25)
Put 25 in for y and 8 for x. Answer checks out.
Answer:

Step-by-step explanation:
apply the rule (a) = a 

apply the exponent rule


add the numbers

which would make the answer

Answer:
x=180-95-57 (sum of triangle)
or,x=28
Answer:
100
Step-by-step explanation:
.15x + 23 = .10x + 28