Which line models the data given below?
x y
-2 0
-1 -2
0 -4
6 -16
a. y-2 = -2(x - 1)
b. y-2 =2(x - 1)
c. y + 2 = -2(x + 1)
d. y + 2= 2( x + 1)

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

If the line in the graph is shifted up two units which is the equation of the new line

Amap has a scale of 3.5 inches = 20 kilometers. if the distance between two cities on the map is 4.9 inches, what is the actual distance between the two cities?