Please help me with my homework! Linda used a number line to simplify an expression. Which expression did Linda simplify based on the number line?

A. -9+1
B. -1-9
C. -1+(-8)
D. -1-(-8)

The temperature of chicken soup is 192.7°f. as it cools, the temperature of the soup decreases 2.3°f per minute. what is the temperature in degrees fahrenheit of the soup after 25 minutes? a. 27.3°f b. 57.5°f c. 135.2°f d. 250.2°f

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000