Please help with this one idk how to find slope lol

Find the quotient with the restriction.

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent. the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244

In triangle abc, angle c is a right angle. find the value of the trig function indicated. find tan a if c = 17 and a = 8