Determine whether u and v are parallel, orthogonal, or neither.
u = 
, v = ?
A. neither
B. parallel
C. orthogonal
Answer: B
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Identify which of these types of sampling is used: simple random, stratified, systematic, or convenience.A sample consists of every 20th student who leaves the library.
A. Systematic B. Stratified C. Simple random D. Convenience
Use a z-Table to determine the percent of data specified. Round to the nearest hundredth.Less than z = 0.97
A. 16.60% B. 80.78% C. 83.40% D. 83.15%
Find the least common multiple (LCM) of the pair of numbers.8 and 18
A. 2 B. 144 C. 72 D. 288
Provide an appropriate response.Consider the linear equation in three variables x - y + z = 1. Find a pair of linear equations that, when considered together with the given equation, will form a system having no solution.
What will be an ideal response?