What does The top equation need to be multiplied by to create a zero pair . 2x - 6y = 20
2x + 5y = -11

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

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

Harold moves no more than 43 of his sheep and goats into another field fewer then 22 of his animals are goats