She needs to read 20 more minutes.
10x4=40
60-40=20
Answer:
the height is about 12
Step-by-step explanation:
plug into the equation 
Answer:
The first one should be right. Since the teacher is charging $15 per hour of the piano lesson then it can't be any of the answers of $100h. The answer can't be C, the third one, since you're adding the enrollment fee to the cost of every piano lesson it would be wrong to subtract the $100. Hope that helps!
Step-by-step explanation:
The answer will the answer on the top $25=$100+$15h over h
Add up them up
Ab+BC
18.3+11.2
=29.5
