The volume of a cylinder is 4rx cubic units and its height is x units.
Which expression represents the radius of the cylinder, in units?
2x
4x
200x2
47X

The total number of students in gina’s after-school program is .the number of students who have 4 or more siblings is .reset next

What is the slope of a line that is perpendicular to y = 3x + 1

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?