The administration at a community college wants to estimate the number of parking spaces they will need next year. they survey 80 students; 75 of the students in the sample drive to campus by themselves each day. which of the following is a reason the administration should not calculate a confidence interval for the proportion of all students who drive to campus? check all that apply.

Brian has an unlimited number of cents (pennies), nickels, and dimes. in how many different ways can he pay 1414cents¢ for a chocolate mint?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?