Identify the polynomial as a monomial, binomial, trinomial, or none of these.8y5 + -9y4 + 4
A. Trinomial
B. None of these
C. Monomial
D. Binomial
Answer: A
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Solve the problem. Round your result to an appropriate number of significant digits.A rectangular classroom is 10.0 ft wide, 19.0 ft long, and 8.0 feet high. What is the length of the longest diagonal from one corner to another corner of the room?
A. 29 ft B. 37 ft C. 21 ft D. 23 ft
Provide an appropriate response.True or False? If a number is divisible by 3, then the number must also be divisible by 6.
A. True B. False
Evaluate the expression.
2
A. - 
B. 
C. 
D. - 
Solve the problem.Economists use what is called a Leffer curve to predict the government revenue for tax rates from 0% to 100%. Economists agree that the end points of the curve generate 0 revenue, but disagree on the tax rate that produces the maximum revenue. Suppose an economist produces this rational function 
where R is revenue in millions at a tax rate of x percent. Use a graphing calculator to graph the function. What tax rate produces the maximum revenue? What is the maximum revenue?
A. 28.1%; $470 million B. 31.4%; $464 million C. 26.5%; $469 million D. 29.7%; $467 million