Solve using the multiplication principle.-4.14 = 
b
A. 1.86
B. -28.98
C. -1.69
D. 2.86
Answer: B
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Find the exact value of y, or state that y is undefined.y = sin-1
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. 28.8%; $272 million B. 38.4%; $383 million C. 27.0%; $379 million D. 30.9%; $382 million
Determine whether the given events are mutually exclusive.Obtaining a face card and obtaining a two when a single card is selected from a deck of cards
A. Yes B. No
Convert the polar equation to a rectangular equation.r = 
A. 9x2 + 8y2 + 6y - 9 = 0 B. 8x2 + 9y2 + 6x - 9 = 0 C. 9x2 + 9y2 + 6x - 9 = 0 D. 10x2 + 9y2 - 6x - 9 = 0