Jade had the following system of equations to her with a physics problem, but she only needed to know what the sum of x and y is.
2x+3y=12
2x-y=4
what is the value of x+y?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

The acceleration of an object due to gravity is 32 feet per second squared.what is acceleration due to gravity in inches per second squared?