Divide the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-30 ÷ 6
A. 5
B. -4
C. -5
D. -6
Answer: C
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Solve the equation.-5(x + 4) = -(5x + 20)
A. {4} B. {0} C. {all real numbers} D. ?
Solve the problem.The hydrogen ion concentration [H+] of a cleaning solution is 3.4 × 10-12 moles per liter. Find the pH value of the solution to the nearest tenth. Is the cleaning solution acidic or basic?
A. pH ? 4.5, basic B. pH ? 4.1, acidic C. pH ? 11.5, basic D. pH ? 13.5, basic
The following table lists the revenue in thousands of dollars, of a small bike shop for various years.
(a) Using the data points (1997, 85) and (1999, 97) find a linear function that fits the data.
(b) Use the linear function to predict the revenue of the bike shop in 2005.
Fill in the blank with one of the words or phrases listed below.
A 
is a collection of objects
A. solution B. base C. set D. variable