Solve. 1.3 - 5r = 7.4

show your work

Which expression will have the same sum as 3_8 + 1/4?

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.

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?