3 3/4÷2 1/12? N answererere

Me asap! what is the slope of this line? enter your answer in the box.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Atutoring service offers a free one-hour tutoring session. after a client signs up, the next 10 hours of tutoring are billed at a rate of $30 per hour. for all the hours after that, the client receives a discounted rate. if a client pays $664 for 25 hours of tutoring, what is the service's discounted hourly rate? a) $24.50 b) $25.54 c) $26.00 d) $26.56