Answer:
24
Step-by-step explanation:
3(2n-8)=5n distribute 3
6n-24=5n combine like terms
-24=-n divide by -1 on both sides
24=n
n=24
Answer: B or D
Step-by-step explanation:
5 times 8 (hours) is 40. Your input was correct, but you can try adding D too
The square numbers of 45?
I don't really know what you mean by that but if you're looking for the square numbers before 45, they are as follows:
1
2
4
9
16
25
36
Hope this helps :)
Answer:
area=πr²=3.14×4²=50.24ft²