An american roulette wheel has 38 slots: two slots are numbered 0 and 00, and the remainging slots are numbered from 1 to 36. find the probability that the ball lands in an even-numbered slot.

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

I'm confused on this could anyone me and show me what i need to do to solve it.

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3