The temperature went from -12°F to 18°F. Which of the following expressions could be used to find how much the temperature changed? 18 + (-12)
-12 - 18
-12 + 18
18 - (-12)

What is the slope of a line that is perpendicular to y = 3x + 1

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

Hi my sisters and brothers can tell me the answer because i don’t understand the question