I presume you're trying to find n, so first remove the 7 from each side.
8n + 7 -7 = 31-7
=> 8n = 24
Then divide both sides by 8, as you want only n
8n/8 = 24/8
n = 3
Answer:
y^3
Step-by-step explanation:
- y^15-12
two negatives is a positive
It would have to be 20,000 since 16.5 would round up to 20 then you just add the zeros on.
As no diagrams provided ,you cab solve according to the formulas provided below
Rectangle:-
Semicircle:-
r is radius