A scaled copy of abcd using a scaled factor of 4

The table represents a linear function. what is the slope of the function? –6 –4 4 6

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

State if the two triangles are congruent. if they are, state how you know?