Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(15b)0
A. b
B. 15
C. 0
D. 1
Answer: D
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Write the following as a rate in lowest terms.$84 for 28 bushes
A. 
B. 
C. 
D. 
Solve the problem.A rain gutter is made from sheets of aluminum that are 18 inches wide by turning up the edges to form right angles. Determine the depth of the gutter that will maximize its cross-sectional area and allow the greatest amount of water to flow.
A. 5 in. B. 5.5 in. C. 4 in. D. 4.5 in.
Graph the equation by plotting three points and connecting them.y = -4x - 6
A. 
B. 
C. 
D. 
Solve the problem.A trucking firm wants to purchase 10 trucks that will provide exactly 28 tons of additional shipping capacity. A model A truck holds 2 tons, a model B truck holds 3 tons, and a model C truck holds 5 tons. How many trucks of each model should the company purchase to provide the additional shipping capacity? Set up a system of linear equations and solve using Gauss-Jordan elimination. There may be more than one solution.
What will be an ideal response?