Solve the system.2x + 8y + 8z = 0x + 4y + 4z = 0x + y + z = -5
A. No solution
B. (-4, 5, -5)
C. (-5, -4, 5)
D. (-5, 5, -4)
Answer: A
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Determine the slope and the y-intercept. Then graph the equation.x + y = 1
A. m = 1; y-intercept: (0, -1)
B. m = -1; y-intercept: (0, 1)
C. m = 1; y-intercept: (0, 1)
D. m = -1; y-intercept: (0, -1)
Write the number in standard form.The network reported that nearly 25.5 million viewers had watched its number-one comedy show the previous night.
A. 25,500,000 B. 255,000,000 C. 25,500,000,000 D. 2,550,000
Solve the problem.Find the area of the window. Round to the nearest tenth.
5 dm
A. 118.5 dm2 B. 43.9 dm2 C. 59.6 dm2 D. 79.3 dm2
Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 
A. 0.20 B. 0.65 C. 0.35 D. 0.15