A. Evaluate 2x2 -- 3x+2 for x=-5 if anyone has time can you help me on the extra credit​ ( but you don't have to)

The circumference of a circle is 5 pi cm. what is the area of the circle?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each 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?