Factor this expresion completely ,then place the factor in the proper location on the grid a3y+1

Which of the following are accepted without proof in a logical system? check all that apply.

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°

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?