7. The area of a playground is 84 yd?. The width of the playground is 5 yards longer than its length. Find the length and width of the playground. O length = 12 yd, width=7yd = yd length = 17 yd, width = 12 yd length = 7 yd, width = 12 yd O length = 12 yd, width = 17

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?