Nancy and kevin collect coins. nancy has x coins. kevin has nine coins fewer than three times the number of coins nancy has. write and simplify an expression for the total number of coins nancy and kevin have.

Abag of popcorn contains 483 calories and servers 3.5 people. how many calories are in each serving.

1.) 2x + y = 3 2.) x - 2y = -1 if equation 1 is multiplied by 2 and then the equations are added, the result is a.3x = 2 b.3x = 5 c.5x = 5

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?