Find the direction angles of the vector. Round to the nearest degree, if necessary.v = -2i + 3j - 4k
A. ? = 112°, ? = 124°, ? = 138°
B. ? = 119°, ? = 43°, ? = 166°
C. ? = 115°, ? = 51°, ? = 147°
D. ? = 113°, ? = 55°, ? = 140°
Answer: A
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Solve the problem.In a large city, 0.413 of the budget went toward city workers' salaries. Write this decimal as a percent.
A. 0.413% B. 41.3% C. 413% D. 0.0413%
Simplify the right-hand side of the equation.f(x) = 
A. 
B. - 
C. 
D. 
Find the equation in standard form of the parabola described.The focus has coordinates (15, 0), and the equation of the directrix is x = -15.
A. x2 = 60y B. y2 = 60x C. y2 = 15x D. y2 = -60x
Write given measurement using all of the metric prefixes. ? 4 kilometers ?
A. kilometer (km) 4hectometer (hm) 400dekameter (dkm) 4,000meter (m) 4,000decimeter (dm) 40,000centimeter (cm) 400,000millimeter (mm) 4,000,000? B. kilometer (km) 4hectometer (hm) 40dekameter (dkm) 400meter (m) 4,000decimeter (dm) 40,000centimeter (cm) 400,000millimeter (mm) 4,000,000? C. kilometer (km) 4hectometer (hm) 400,000dekameter (dkm) 40,000meter (m) 4,000decimeter (dm) 400centimeter (cm) 40millimeter (mm) 4? D. kilometer (km) 4hectometer (hm) 4,000,000dekameter (dkm) 400meter (m) 4,000decimeter (dm) 40,000centimeter (cm) 400,000millimeter (mm) 40? E. kilometer (km) 4hectometer (hm) 40dekameter (dkm) 40,000meter (m) 4,000decimeter (dm) 400centimeter (cm) 400,000millimeter (mm) 4,000,000?