Kylie has already prepared 19 kilograms of dough and will continue preparing 1 kilogram of dough every hour. how many hours did kylie work if she prepared 30 kilograms of dough?

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

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