Find the direction angles of the vector. Round to the nearest degree, if necessary.v = 4i + 2j - 3k
A. ? = 42°, ? = 68°, ? = 124°
B. ? = 40°, ? = 67°, ? = 125°
C. ? = 14°, ? = 61°, ? = 137°
D. ? = 33°, ? = 65°, ? = 129°
Answer: A
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A. 0.1% B. 1% C. 0.01% D. 10%
Find the greatest common factor of the numbers.10, 25, 30, 45
A. 5 B. 2 C. 10 D. 1
Simplify the given expression using the definition for negative exponents. Assume that all variables represent nonzero numbers.2p-4
A. 25p4
B. 
C. 
D. 
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