2x +y ≥ 8 and y - 5 <3x graphed

Which of the following expressions is equal to 2x^2+8

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

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?