For the points P and Q, find the distance d(P, Q).P(7, -2), Q(5, 2)
A. 2
B. 12
C. 6
D. 12
Answer: A
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Provide an appropriate response.A store selling construction supplies purchased cordless drills for resale. They will have a selling price of $58.75 each, but the store bought them for a 45% discount. How much did the store pay for each drill? (Round to the nearest cent.)
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.The volume of water in the lake is seven billion, eight hundred twenty-one million, ninety-four thousand, six hundred thirteen gallons. Write this whole number in standard form.
A. 782,194,613 B. 7,000,821,094,613 C. 7,821,094,613 D. 7,821,940,613
Find all the numbers for which the rational expression is defined.
A. x ? 0 B. x ? 4 and x ? -2 C. x ? 9 and x ? -9 D. x ? -4 and x ? 2
Solve the problem.An electronics company kept comparative statistics on two products, A and B. For the years 2003 to 2011, the total number of Product A ever sold (in thousands) is given by the equation 
, where x is the number of years since 2003. For that same period, the total number of Product B ever sold (in thousands) is given by the equation y = -30x + 434, where x is the number of years since 2003. Use the substitution method to solve the system and choose the statement that most accurately describes the solution.
A. The company sold about 1.6 times as many of Product B as Product A. B. At some point between 2003 and 2011, the company had sold 1600 of each product. C. At about 1.6 years (to the nearest tenth) since 2003, the company sold the same number of Product A as Product B. D. When 385,000 of Product A had been sold, 1.6 times as many of Product B had been sold.