Which answer correctly estimates the product of 20.21 × 999.801? a. about 20,000 b. about 2,000 c. about 200 d. about 20

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

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