Select the correct answer. The steps for solving the given equation are shown below.
8 - 3x = 20

Steps
8 - 3x - 8 = 20 - 8 -3x = 12
??? X = -4

Justifications 1 Subtraction property of equality
2. Simplification
3. Multiplication property of equality
4. Simplification

Select the correct equation for the missing step in the table.
-3x • (-1/3) = 12 • (-1/3) -3x • 1/12 = 12 • 1/12 -3x • (-3) = 12 • (-3) -3x • 3 = 12 • 3

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.