Solve for x in the following equation: 2x+3=9

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?