What is the value of 5a plus 2(a plus b) when a equal 4 and b equal 2

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.

If there are 825 students at cherry hill high school and 4 out of every 5 students voted in the student council election, how many students voted?