Using the definitions of "divisible" and "factor," answer the given question.Is 180 divisible by 5?
A. Yes
B. No
Answer: A
Mathematics
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Find the dot product v ? w.v = 3i + 4j + k and w = 2i + 7j + 3k
A. -19 B. 110 C. -37 D. 37
Mathematics
Use the given vectors to find the indicated expression.v = 4i - 3j + k, w = 3i - 4j - kFind (3v) × w.
A. 15i + 13j + 11k B. 13i + 15j - 39k C. 21i + 21j - 21k D. -21i - 48j + 21k
Mathematics
Perform the indicated operation and write the answer in the form 
where a and b are real numbers.(8 + 4i)(2 + 9i)
A. -20 - 80i B. 52 - 64i C. 36i2 + 80i + 16 D. -20 + 80i
Mathematics
Find a rational zero of the polynomial function and use it to find all the zeros of the function.f(x) = 2x4 - 17x3 + 58x2 - 77x + 26
A. {2, - 
, 2 + 3i, 2 - 3i}
B. {-2, - 
, 2 + 3i, 2 - 3i}
C. {2, 
, 3 + 2i, 3 -2i}
D. {-2, 
, 3 + 2i, 3 - 2i}
Mathematics