Answer:
Part a) 
Part b) 
Part c) 
Part d) 
Step-by-step explanation:
Part a) The difference of the squares of 2m and 7n.
we know that
The difference of the squares formula is equal to

substitute

Part b) The square of the difference of x and 8y
The formula of the square of the difference between two numbers is equal to

substitute

Part c) The tripled product of 6a and b^2
we have

Part d) The product of the sum of a and b and their difference
The expression is equal to

The expression represent the difference of the squares between a and b
so

Answer:
I dont really know
Step-by-step explanation:
Answer:
Given that 15coffee stops=100,000people
then: x= 1,602,000
100,000×x= 15×1,602,000
100,000x= 24,030,000
100,000x÷100,000= 24,030,000÷100,000
x= 240.3
so therefore there are 240.3 coffee stops if there are 1,602,000
Use a projector do you have one?
Answer:
If your solving for x then its x=3 because you combine liked terms then divide both sides by 3.