Simplify.x + 8 + 5
A. 13x
B. x + 14
C. 13
D. x + 13
Answer: D
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Find an ordered pair that satisfies the given equation and uses the given value of x. y = -8x - 15 let x = 0
A. (0, -120) B. (0, -23) C. (0, -15) D. (0, -3)
Use the alphabet coding method (A =1, B = 2, C = 3, ... Z = 26) to solve the problem.The function defined by f(x) = x + 2 was used to encode a message as: 15 3 22 10 9 7 16 11 23 21Find the inverse function and determine the message.
What will be an ideal response?
Solve.The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 75 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 60 feet and 6-foot walls.
A. 7.2 quarts B. 36 quarts C. 360 quarts D. 3.6 quarts
Solve the system of equations.4x + y - 2z + w = -1-x + 4y + z - 4w = 35x - y + 4z + 2w = 9 x + y - 4z - w = -1
A. (2, -6, 0, 4) B. (-3, 1, 2, 1) C. (2, -3, 1, -4) D. (-2, -1, 2, 4)