Answer:
m:
Step-by-step explanation:
Pick two points (0,5) and (3,4)
use the formula to find slope: 
Insert values: 
m:
:-)
The best way to solve this one would be simple cross multiplying. Multiply the top of one side with the bottom of the other side. In this problem you need to multiply X with 8 and multiply 3 with 5. You'll get an equation of 8X=15, then divide both sides by 8 so that you get X by itself. Your answer will them be X=1.875
Y = 3/5x + b
3 = 3/5(-1) + b
3 = -3/5 + b, b = 3 3/5
Y = 3/5x + 3 3/5
Answer:
Your answer is
1st Question ::::: 15%
2nd Question :::: A----B(y=12*25%)
B----- 3$ increase
New price 15$
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