Use the subusitution method for r
g(4)=25-3(4)
g(4)= 25-12
g(4)= 13
Answer is g(4)= 13
He spent 13.5 hrs cutting grass last week.
Answer: 0.7
All you have to do is multiply 0.07 by 10, because
1/10 = 0.07
2/10 = 0.14
3/10 = 0.21
4/10 = 0.28
5/10 = 0.35
6/10 = 0.42
7/10 = 0.49
8/10 = 0.56
9/10 = 0.63
10/10 = 0.70
If it is =x then the line will be vertical