What is 60 Superscript one-half Equivilant to

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

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