Add the following polynomials, then place the answer in the proper location on the grid. 2x3 - 4x2 + 6x - 3 x3+6x2 - 8x + 12
- 3x3 + 2x2 - 4x - 7

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

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

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?