Ineed answer in less than 10 mins pl

determine the slope of the line below. (study island 8th grade)
a. -1/2
b. 1/2
c. 2
d. -2

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

What is the value of x in the following equation. -x ^3/2 = -27

How do you solving the solution of each system using elimination?