Determine if the given vectors are orthogonal, parallel, or neither.v = 2i - j, w = 4i - 2j
A. Neither
B. Orthogonal
C. Parallel
Answer: C
Mathematics
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Simplify.9 ? 3 - 25 ÷ 5
A. 22
B. 32
C. 
D. 0
Mathematics
Multiply.
A. 220 B. 230 C. 250 D. 240
Mathematics
Expand using the binomial theorem.(x - 5)4
A. x4 - 20x3 - 250x2 - 500x + 625 B. x4 - 5x3 + 150x2 - 250x + 625 C. x4 - 20x3 + 150x2 - 500x + 625 D. x4 - 20x3 + 150x2 + 20x + 625
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question.
At what time was the temperature the lowest?
A. 10 a.m. B. 6 p.m. C. 9 a.m. D. 1 p.m.
Mathematics