7n^2 + 5 = 453
Subtract 5 from both sides:
7n^2 = 448
Divide both sides by 7:
N^2 = 64
Take the square root of both sides:
N = 8
Answer: I need help too
Step-by-step explanation:
I think is -6
Seven thousand, seven hundred seventy seven and seven tenths
Answer:
36
Step-by-step explanation:
Answer:
63ft
Step-by-step explanation:
