Nikki goes to work every day after school for 3 hours. She earns $15 per hour working at the local music store. She's earned $1,500 already. How many more hours does she need to work to get her earnings up to $2,250? pretty hard so ill hard so ill give 12 points.

Aportion of a line bounded by two points is defined as

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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