Determine whether the vectors v and w are parallel.v = 
, w = 
A. Not parallel
B. Parallel
Answer: A
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Identify the type of sampling described by the proposal.At a local technical school, five auto repair classes are randomly selected and all of the students from each class are interviewed.
A. convenience sample B. simple random sample C. cluster sample D. stratified sample E. systematic sample
Find the equation of the parabola which has the given vertex V, which passes through the given point P, and which has the specified axis of symmetry.V(0, 0), P(-5, 2), horizontal axis of symmetry
A. y2 = - 
x
B. y2 = - 
x
C. x2 = - 
y
D. y2 = - 
x
Solve the system of linear equations and check any solution algebraically.
a. 
b. 
c. 
d. 
Use the triangle in the illustration. Find tan L rounded to three significant digits.
A. 0.141 B. 0.069 C. 0.691 D. 0.951 E. 0.447