David has two cylinder shaped bottles of punch, each with a height of 14 inches and a radius of 4 inches. He wants to fill a half-sphere punch bowl to the brim with the punch. What should the radius of the punch
bowl be to the nearest tenth of an inch to fill it entirely with the two bottles of punch?
inches
Radius of the punch bowl is

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?