on the first day of camp 5/6 of the skaters were beginners. of the beginners, 1/3 were girls. what fraction of the skaters were girls and beginners ?

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

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?