9. select all equations that have one solution.
a. 2x + 2x + 2 = 4x+ 2
b. 3 (4x – 8) = 18
c. x + x - (x + x) = 2x - x + 2
d. £«-x+
e.
-3(-x - 2) = 3(x - 2)

7.(03.01 lc)which set represents the range of the function shown? {(-1, 5), (2,8), (5, 3), 13, -4)} (5 points){-1, 2, 5, 13){(5, -1), (8, 2), (3,5), (-4, 13)){-4, 3, 5, 8}{-4, -1, 2, 3, 5, 5, 8, 13}

The table above shows approximate conversions from gallons to liters. what is the value of x?

Asphere has a diameter of 10 in. what is the volume of the sphere?