Answer:
Step-by-step explanation:

Scale factor:
1:2
0.25x+97
Factoring:
Convert 0.25 to a fraction:
1/4x+97
Factor out 1/4:
Solution:
1/4(x+388) or 0.25(x+388)
I think 7a^3b^6, but im not sure so im sorry if it is wrong
Answer:
z = 21
Step-by-step explanation:
z-6=15
z = 15 + 6
z = 21
hope it helps!