Find the magnitude of the indicated vector.If u = 2i + j and v = -6i + j, find the magnitude of u + v.
A. 2
B. 8
C. 
D. 
Answer: A
Mathematics
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Determine whether any of the listed candidates has a majority.Four candidates running for congress receive votes as follows:Alberts: 50,787, Brown: 13,851, Cassimatis: 36,936, D'Amico: 32,319
A. No B. Yes
Mathematics
Solve.
= -1
A. 3 B. 1 C. -1 D. No solution
Mathematics
Use the bar graph to answer the question.The bar graph illustrates the numbers of certain grades earned in Mathematics 100. How many grades of D were earned?
A. 3 B. 10 C. 5 D. 8
Mathematics
Solve for the requested variable.y varies directly as x and inversely as the square root of w, and y = 42 when 
and 
. Find y when 
and 
A. y = 16
B. y = 48
C. y = 32
D. y = 12
Mathematics