Graph.f(x) = 
x
A. 
B. 
C. 
D. 
Answer: A
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Solve problems using a calculator.To determine the thickness of a sheet of metal, six batches of 8 sheets each are measured with a digital micrometer. The thickness of each of the six batches of 8 is 0.3932, 0.3929, 0.3922, 0.3925, 0.3930, and 0.3924 mm. Find the average thickness of a single sheet of metal. (Round to the nearest ten-thousandth of a millimeter, if necessary.)
A. 0.0490 mm B. 0.0491 mm C. 0.3929 mm D. 0.3927 mm
Provide an appropriate response.Explain why, when rewriting a fraction with a different denominator, the fraction can be multiplied by another fraction whose numerator and denominator are the same.
What will be an ideal response?
Decide whether the problem is an equation or an expression.2x + 6 = 
A. Expression B. Equation
Solve the problem.A farmer has 400 feet of fence with which to fence a rectangular plot of land. The plot lies along a river so that only three sides need to be fenced. Estimate the largest area that can be fenced.
A. 16,000 ft2 B. 20,000 ft2 C. 30,000 ft2 D. 24,000 ft2