5. Maria walks 12 miles in 3 hours. How many miles does she walk per hour? A 4mi/hr
B 5 mi/hr
C 6 mi/hr
D 7 mi/hr

True or false? a triangle can be circumscribed about a given circle

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

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