3x+5y=suppose you have $30 to spend on bags of tootsie rolls that are worth $3 and bags of lollipops worth $5. if you have to use all of the money, what combinations of candy bags can you buy?

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.

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.