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
No you could have left it as the last but one line or write them separately as
11/18 + √85 / 18 , 11/18 - √85/18
A triangle that has an angle that measures 90 degrees would be a Right Triangle.
The absolute value of -200 is 200