9 + 60 -42x
9+60 = 69
= 69- 42x
The solution to x + 8.5 = 64.5 is 56.
x + 8.5 = 64.5
- 8.5 - 8.5
---------------------------
x = 56
Step-by-step explanation:
The slope of the line passing through two points is given by,

13)



option D
14)





option C
15)





option B
16)



option C
Answer:
1
Step-by-step explanation:
1 times anything is itself
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