Midpoint formula
point a is at (-7, -9) and point b is at (6,3).
what is the midpoint of line segment ab?

Describe all the numbers that when rounded to the nearest thousand are 645,000

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°

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