Answer:
C
Step-by-step explanation:
25 (2c-1)
(25 x 2c) - (25 x 1)
50c - 25
First do the parentheses:
16/4+56-8
Then divide:
4+56-8
Then add and subtract from left to right:
60-8
52
Hope this helps.
Answer:
3:5
Step-by-step explanation:
Please see attached picture for full solution. ( Unit method)
Answer:
Option E 
Step-by-step explanation:
we have

we know that
For x> 5 both sides of the equation will be positive
Squared both sides



Subtract 4 both sides


Rewrite

Answer:
n=8
Step-by-step explanation:
Swap sides of the equation (8.2n=65.6)
Divide both of the sides by 8.2
Then you get 8