Which expression is equivalent to -3x - 1/2 + 4y a.2y - 5x + 2y + 2x b.-2x - 1/2 + 6y + 3x c.-3x - 3/4 + 4y + 1/4 d.-3y - 3/4 + 7y +1/4 - 3x

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?