What The answer to y=-3+4x

Can you draw an isosceles triangle with only one 80 degree angle?

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?

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?