Answer:
Step-by-step explanation:
Use the following formula:
slope: 
Let:

Plug in the corresponding numbers to the corresponding variables:

is your answer.
~
7×10^7 = 70000000 (10^7 = 10000000)
Multiply 14 to each term: 14a+70+84b
Answer:
117
Step-by-step explanation:
Got it from calucaltor and did it to make sure