Simplify the expression below. 15а?ь? - 9а?ь + Заb
——————————-
Заb
А. 5а?ь - За
B. 5ab - 3ab + ab
с. 5a2b – За + 1
D. 5а2b- За + 3

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

Solve: 3x+y=6 4x-2y=18 show all work !

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?