Step-by-step explanation:
Given n = 4
2n = 2* 4= 8
n + 2 = 4 + 2 = 6
3(n + 4) = 3( 4 + 4) = 3 * 8 = 24
Hope it will help :)
Answer:

Step-by-step explanation:

Sinse you want the POSITIVE solution, your answer is 5.
I am joyous to assist you at any time.
help
okay so first add help the subtract help help finally dividing the help^2 equally help/help
The EXACT ratio is 7.7:1, but you can round it up to about 8:1