Estimate the sum or difference by first rounding as indicated.Estimate by first rounding to the nearest hundred.2355
A. 9000
B. 8618
C. 8600
D. 8700
Answer: D
Mathematics
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Solve. Write the fraction in simplest form.A company employs 648,000 employees worldwide. About 43,200 employees work in the United States. What fraction of the employees work in the United States?
A. 
B. 
C. 
D. 
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Express the statement as an equation involving the indicated variables.The area A of a rectangle is the product of its length l and its width w.
A. A = l + w
B. A = 
C. A = 2(l + w)
D. A = lw
Mathematics
Write a general term an for the sequence. Assume that n begins with 1.1 ? 6, 2 ? 7, 3 ? 8, 4 ? 9, 5 ? 10, . . .
A. an = n(n - 5) B. an = n(n + 5) C. an = n(n + 6) D. an = n + 5n
Mathematics
Use a graphing utility to graph the equation.x2 - 24xy + 8y2 = 36
A. 
B. 
C. 
D. 
Mathematics