There are 30 students in mrs. jones class. twenty percent of the students received an a on the last math test. how many students received an a

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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?

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers