Liam is setting up folding chairs for a meeting. If he arranges the chairs in 6 rows of the same length, he has 5 chairs left over. If he arranges the chairs in 4 rows of that same length, he has 21 left over. How many chairs does Liam have?

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