The answer is B, hope this helps
Answer:

Step-by-step explanation:
To find the answer we have to first group the like terms:

therefore

so

Answer:
Step-by-step explanation:
5x-4=20
5x=24: x=24/5
y=3x-12
y=3(24/5)-12
y = (72-60)/5
y=12/5
Answer:
5
Step-by-step explanation:
cos 60° = y / 10
y = 10 * 1/2 = 5
26 percent?
A percent is a fraction out of a hundred. 5% is 5 out of one hundred, 20% is 20 out of one hundred, etc.
So 26/100 simplified is 13/50.