Answer:
3x + 7 + 5
Step-by-step explanation:
I could be wrong... there are 3 x's so that would be 3x, and then the 7 and 5. sorry if i'm wrong
Answer:
c. 500
Step-by-step explanation:
5/100=25/x
2500=5x
2500/5=x
500=x
Additive indentity

n = 1
a variable is always a number itself remember 7+n
5+2 = 7
Answer:
21.72
Step-by-step explanation:
0.07 x 20.30
You do the number line normal but with 11 in the front