Prove that the identity is true.
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What will be an ideal response?
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Solve.There are 1.5 milligrams of iron in a 3.5 ounce serving of pork. How much iron is in 4 ounces of pork? Round your answer to one decimal place.
A. 1.3 mg B. 2.7 mg C. 2.3 mg D. 1.7 mg
Solve the problem.Amarillo Motors manufactures an economy car called the Citrus, which is notorious for its inability to hold a respectable resale value. The average resale value of a set of 1998 Amarillo Citrus's is summarized in the table below along with the age of the car at the time of resale and the number of cars included in the average. Fit a line of the form ln(V) = m?a + b to the data, where V is the resale value in thousands of dollars and a is the age of the car in years.. 
A. ln(V) = 0.315a B. ln(V) = 0.299a - 2.951 C. ln(V) = -0.303a + 2.953 D. ln(V) = 0.314a - 2.986
Tell which set or sets each number belongs to: natural, whole, integer, rational, irrational, real.- 
A. Real, rational B. Real, integer C. Real, irrational D. Real, whole
Sketch the graph of the function. Give the coordinates of the vertex.f(x) = -(x - 3)2
A. vertex (-3, 0)
B. vertex (0, -3)
C. vertex (3, 0)
D. vertex (0, 3)