Amy has 3bags of marbles, and ron has 2 bags of marbles. there are 6 marbles in each of their bags. how many marbles do they have in all? show how you know.

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

If the value of cos330°is√3/2 then find cos 165°.