in a class, 12 pupils are in a computer class and 3/4 of the remaining pupils are in the science club. If 1/5 of the pupils are neither in the computer nor science club, how many pupils are there in the class?

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

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?