Write the standard form of the equation of the circle whose radius is r and whose center is (h, k).r =5; (h, k) = (0, 1)
A. x2 + (y - 1)2 = 25
B. x2 + (y + 1)2 = 5
C. (x + 1)2 + y2 = 25
D. (x - 1)2 + y2 = 25
Answer: A
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For the graph of the function y = f(x), find the absolute maximum and the absolute minimum, if it exists.
A. Absolute maximum: f(6) = 5; Absolute minimum: f(1) = 2 B. Absolute maximum: f(2) = 7; Absolute minimum: f(3) = 0 C. Absolute maximum: f(5) = 6; Absolute minimum: f(2) = 1 D. Absolute maximum: f(7) = 2; Absolute minimum: f(0) = 3
Two trees standing side by side cast shadows that are the same length. Explain why the trees are the same height.
Solve.The manager of a candy shop sells chocolate covered peanuts for $7 per pound and chocolate covered cashews for $11 per pound. The manager wishes to mix 70 pounds of the cashews to get a 
mixture that will sell for $8 per pound. How many pounds of peanuts should be used?
A. 280 pounds B. 140 pounds C. 105 pounds D. 210 pounds
Write the number in scientific notation.0.000841
A. 8.41 × 10-3 B. 8.41 × 10-4 C. 8.41 × 10-5 D. 8.41 × 104