Evaluate the expression when x = 6.

–2x – 4x

a. -2

b. 2

c. 36

d. -36

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

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

Negative 5 1/12 + negative 4 1/4 + 6 3/4