Write a system of equations to describe the problem situation. Use guess and check to solve the problem.
A boat travels 20 miles downstream in an hour. While its passengers are fishing, the tide comes in. The tidewater reaches 20 miles upstream. The trip home on still water take 
hours. Find the speed of the current, c.
A) c = 1.5 mph
B) c = 2.0 mph
C) c = 2.5 mph
D) c = 3.0 mph
E) c = 4.0 mph
E) c = 4.0 mph
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Provide an appropriate response.Suppose that you construct a frequency histogram and a relative frequency histogram corresponding to a particular frequency table. In what ways will the two histograms be similar? In what ways will they differ?
What will be an ideal response?
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."x2 + 2x - 48
A. prime B. (x - 6)(x + 8) C. (x + 6)(x + 8) D. (x + 6)(x + 1)
Write as a number.Three hundred million, nine hundred ninety-eight thousand, three hundred four.
A. 300,998,000,304 B. 30,998,304 C. 300,998,304 D. 3,998,304
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = 1 B. x = 1, x = -6 C. x = -1, x = 6 D. x = -1