Answer:
C
5(10)+10=60
-2(-5)+7=17
Step-by-step explanation:
huh....
by using similarity and enlargement
10/8 = 7+y/7
70=56+8y
8y=14
y= 7/4
10/8 = 5+x/5
50=40+8x
x = 8/10 = 4/5