Answer:
3 cases
Step-by-step explanation:
45 - 27 = 18
18 ÷ 5 = 3
Tax is probably like $1 so It would add up to 18.
Step-by-step explanation:
how many feet of fence is he doing
Maybe this will help! (:
https://youtu.be/1wPJfzStBqE
Answer:

Step-by-step explanation:
<u>Key skills: Exponents + Fractions</u>
Use the negative exponent property. If your number is x^-y then it would be the same as 1/x^y
3^-4 is the same as 
3^4 is 81, so your answer would be 1/81.
Hope you have a nice day and understood this!
Answer:
8a^2+a-7
Step-by-step explanation: