Answer:
C
Step-by-step explanation:

= - 3 × - 3 × - 3 × - 3 ← evaluate in pairs
= 9 × 9
= 81 → C
Answer:
He will be in 40 dollars in debt, and if he doesn't pay the money he borrowed back soon his interest will begin to pile up.
Step-by-step explanation:
Answer: 1.4 or 1 2/5
Reason: if you were to do 8.4÷6 you would get 1.4 and to check your work you can do 1.4×6 which is 8.4 or 8 2/5
Answer:
314.16cm²
Step-by-step explanation:
Answer is attached as a photo. Hope this helped.