Julie is a math tutor in the academic center. she charges $210 for the first 7 hours of tutoring and $20 for each additional hour of tutoring. if she earned $410 tutoring 1 student, how many total hours did she spent tutoring the student?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

What is the the greatest common factor ?