Simplify the numerical expression below.-39 (-75 - 60)
A. 11,286
B. -174
C. 5,265
D. 585
E. none of these
Answer: C
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Solve the application and answer with a complete sentence. Round to the nearest tenth of a percent if necessary.The population of a city increased from 1,044,520 in 1995 to 1,359,973 in 2005. Calculate the percent increase.
A. There was a 23.2% increase in population. B. There was a 3.0% increase in population. C. There was a 2.3% increase in population. D. There was a 30.2% increase in population.
Find the perimeter.The city plans to frame the local playground with redwood lumber. How many feet of lumber will the city need?
A. 655 ft B. 768 ft C. 640 ft D. 16,384 ft
Solve.The length ? of a metal rod used in manufacturing cars must not differ from the standard s by more than 0.3 inches. The manufacturing engineers express this as 
Find the limits of ? if the standard s is 18.9.
A. ? ? 18.6 or ? ? 19.2 B. 18.6 ? ? ? 19.2 C. ? ? 19.2 or ? ? 19.5 D. 19.2 ? ? ? 19.5
Find the direction angles of the vector. Round to the nearest degree, if necessary.v = -2i + 3j - 4k
A. ? = 119°, ? = 43°, ? = 166° B. ? = 115°, ? = 51°, ? = 147° C. ? = 113°, ? = 55°, ? = 140° D. ? = 112°, ? = 56°, ? = 138°