Hello! :)
Answer:

as a mixed number:
Divide 2 from 7 and find the remainder:
7 ÷ 2 = 3 R 1.
An improper fraction in mixed form has the quotient as the coefficient, and the remainder over the fraction. Therefore:

There are 3 holes because if you do 4 thats to high cuz you would get 12 hope this is what you mean
Which page is this in the book
Answer:
4,6,8,10
$10,$15,$20,$25
Step-by-step explanation:
Part A :
4,6,8,10
$10,$15,$20,$25
because the top row is adding by two and the bottom row is adding by 5