Please help I need to find the scale factor for the side lengths!!!

The system of equations graphed below has how many solutions? y = 2x + 2

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

What would the rule be for the reflection of y=-3