Answer:
m=1
Step-by-step explanation:
add 6 to both sides, 9=9m
divide 9 on both sides, m=1
M=1
9-6m=3m
you need to get rid of the 6 so you:
9-6m = 3m
+6m +6m
9= 9m
1=m
y = 0.625x+3.625
172% of 50 means 172÷100 multiplied by 50 will give you 86
The second company is a better deal
17$
9+8=17$