Answer:
peter will have 123 stamps.
Step-by-step explanation:
This is because 53 times 3 is 159. Sarah has 159 stamps. Subtract 45 from 159 and you will get 123.
Answer:

Step-by-step explanation:
make one side equal to zero:

find two factors that multiply to -36 and add to -5 (-9 & 4)

factorise


solve for x

Answer:
<h2>
<em>C. 28</em></h2>
Step-by-step explanation:
Answer:
4
Because the second number (y) is 4 on the grid. It rises to 4.