Jesse is playing a game with a number cube with faces numbered 1 through 6. what is the probability of rolling a number that is even and a multiple of 3?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

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

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?