Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Answer: A
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Answer the question asked. When necessary, round to the nearest hundredth.One conveyor belt can move 1000 boxes in 10 minutes. Another can move 1000 boxes in 11 minutes. If another conveyor belt is added and all three are used, the boxes are moved in 3 minutes. How long would it take the third conveyor belt alone to do the same job?
A. 
min
B. 7
min
C. 1
min
D. 
min
Evaluate the expression for the given replacement values.x + y - z for x = 4.6, y = 6, z = 0.98
A. 9.72 B. -2.38 C. 11.58 D. 9.62
Determine what kind of function might be used as a model for the data.
A. Polynomial, but neither quadratic nor linear B. Quadratic: f(x) = ax2 + bx + c, a > 0 C. Linear: f(x) = mx + b D. Quadratic: f(x) = ax2 + bx + c, a < 0
Determine the slope and the y-intercept for the linear equation. Graph the line.y = 2
A. m = 0, y-intercept: (0, 2)
B. m = 
, y-intercept: (0, 0)
C. m = 2, y-intercept: (0, 0)
D. m = 0, y-intercept: (0, 2)