Sally is choosing what classes to take next year. she must take a math, a science, a fine arts, and a foreign language. if there are 4 math classes, 3 science classes, 5 fine arts classes, and 2 foreign languages classes to choose from, how many different schedules can she have?

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

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