Answer:
Rise in average daily temperature from January to March=51°F
Step-by-step explanation:
Given:
Average daily temperature in Denton for the month of January = -8°F
Average daily temperature in Denton for the month of January = 43°F
Rise in average daily temperature from January to March= Difference in average temperatures = 
[When we subtract a negative number from a positive number, they get added up.]
Answer:
56
Step-by-step explanation:
Answer: The solutions are x=4 and x=-4
Step-by-step explanation: This is a quadratic equation, so we need to find when the equation equals 0. The values 4 or -4 both make it 0.
(if it is asking for you to factor it out, it is x^2 -16)