Find the indicated angle.Identify the pair or pairs of complementary angles.
A. ?ABD and ?FBC
B. ?ABD and ?FBC; ?DBE and ?EBF
C. ?ABD and ?EBF; ?DBE and ?FBC
D. ?DBE and ?EBF
Answer: B
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The graph below shows estimated world population for the period 4000 BC - 2000 AD. Note that the logarithm of the world population and not actual population is plotted on the vertical axis. This means, for example, that when the graph reaches 7 on the vertical scale, world population is 107 and when the graph reaches 9 on the vertical scale, world population is 109. Log World Population 
? Year Use the graph to answer the question.Describe the general trend in world population during the period 2000 BC to the year 1 AD.
A. World population increases at a constant rate. B. World population is constant. C. World population increases at a faster and faster rate. D. World population increases at a slower and slower rate.
Find the break-even point for the total-cost and total-revenue functions.C(x) = 20x + 312,000R(x) = 85x
A. (4900 units, $416,500) B. (4700 units, $399,500) C. (5000 units, $425,000) D. (4800 units, $408,000)
Solve the problem.A caterer uses special stacking ovens to prepare large amounts of food. Find the total number of servings that can be prepared in one hour.Cookies: 18 servings per panNumber of pans per oven: 6Pan changes per hour: 6Number of ovens: 4
A. 648 servings B. 2542 servings C. 2592 servings D. 432 servings
Convert to decimal notation.3.246 × 10-6
A. 0.000003246 B. 0.0000003246 C. -3,246,000 D. 0.00003246