Triangle ABC, represented by the coordinates (-8, 2), (-2, 10), and (-2, 2) on the grid below, is similar to DEF (not shown). The ratio of the sides of DEF to ABC is 5 to 8. What is the perimeter in units of A DEF?

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?