Answer:
further down
Step-by-step explanation:
(I saw you got the first 2 wrong. It asked for an equation and explanation of the variables)
5. x-7= x?? (x, being age)
this is really an expression, you need a second term to find out the age of Amanda.
6. 2 • p = p P, being population (again second term) if not just 2 • p
7. 7p +2.75 = c
P, being number of papers. C, cost of paper overall
8. sorry don't know