13. The diagram shows a composite solid consisting of a cone and a hemisphere. The cone has a height of 10 cm
and a base diameter of 12 cm. Find the volume of the whole solid.
(a) 264π cm^3
(b) 408π cm^3
(c) 504π cm^3
(d) 528π cm^3
(e) 648π cm^3

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

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

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?