Solve for x in the diagram below.
60°
(x +45)

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

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