Answer:
in confused on what the question is asking is it multiple questions
Answer:

Step-by-step explanation:
Perimeter of the given triangular above = sum of all its sides.

Collect like terms


If Bob creates a new triangle that is 7 less than twice of the perimeter of the triangle above, the expression of the new triangle would be:

Simplify


New perimeter = 
Well, one advantage simply is that its a loan. If its a loan, you can pay little by little until its paid off. Not sure if this helps, but I hope it does.
Answer:
r+3
Step-by-step explanation:
r is an expression. To get an expression that is 3 more, just add 3
r+3
Answer:
y=mx+b = 3y=6x+-2/3
Step-by-step explanation:
hope this is better