Solve the system by using the technique of elimination
7x+6y=2
-28x-24y= -8

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Solve the equation by completing the square. x^2+2x=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?