Express the vector in the form ai + bj + ck.8u - 5v if u = 
and v = 
A. v = -7i + 8j - 5k
B. v = 8i + 8j - 5k
C. v = 23i + 8j - 5k
D. v = -7i + 13j - 5k
Answer: A
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State whether you think the difference between what occurred and what you would expect by chance is statistically significant.In eighteen of the last twenty years the annual precipitation in a certain region has been less than in the previous year.
A. Statistically significant B. Not statistically significant
Decide whether the statement is true or false.The sum of the measures of the exterior angles of any quadrilateral is 360°.
A. True B. False
Perform the indicated operation and express the answer in decimal notation.(4 × 108)(5 × 10-6)
A. 0.2 B. 2000 C. 20,000,000,000,000,000 D. 4000
Graph the equation by plotting points.y = |x| + 2
A. 
B. 
C. 
D. 