A custodian can clean 2 classrooms in 15 minutes. At this rate, how many classrooms can a custodian clean in 75 minutes?
10 classrooms

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

If g^-1(x) is the inverse of g (x) which statement must be true