Answer:
32
Step-by-step explanation:
four times eight is 32 therefore area is then 32
Opposites:
a. -3
b. 9
c. 5
d. -12
Answer:
5$
Step-by-step explanation:
he bought a pound for 5
You just need to plug those expressions inside the formula: it doesn't matter if they're expressions involving a variable instead of plain numbers: the formula becomes

If you want, you can simplify it by expanding the square and then multiply the two parenthesis:
