77. Pedro can finish painting a wall in 6 hours. Juan can finish painting the same...
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77. Pedro can finish painting a wall in 6 hours. Juan can finish painting the same in wall in 3 hours. How long will it take them to finish painting the wall 78. The expression x -8x +16 can be factored as? a. (x+4)? b. (x + 4)(x - 4) together? а. 2 c. (x - 4)? d. (x - 5)(x - 3) b. 3 С. 1 d. 2.5 79. The expression xis equivalent to: 80. If 2.x – 3 = 7,x is equal to what value? %3D a. x* a. -2 b. Vx 3 С. b. -4 с. 2 d. d. Vx? 77. Pedro can finish painting a wall in 6 hours. Juan can finish painting the same in wall in 3 hours. How long will it take them to finish painting the wall 78. The expression x -8x +16 can be factored as? a. (x+4)? b. (x + 4)(x - 4) together? а. 2 c. (x - 4)? d. (x - 5)(x - 3) b. 3 С. 1 d. 2.5 79. The expression xis equivalent to: 80. If 2.x – 3 = 7,x is equal to what value? %3D a. x* a. -2 b. Vx 3 С. b. -4 с. 2 d. d. Vx?
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