Sarah is changing her refuse (garbage) service. “Junk Bunker” charges a one time start-up fee of $300 plus $20 per month. “Junk in the Trunk” charges no start-up fee but charges $35 per month. Write an equation to

determine when the two companies would cost the same.

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

Acircle has a circumference of 7.850 units. what is its radius?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.