Use the given vectors to find the indicated expression.v = -3i + 5j - 4k, w = 2i + 4j - 2k, u = -4i - 4j - 3kFind v ? (v × w).
A. -90
B. 0
C. 90
D. 130
Answer: B
Mathematics
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Graph the equation.x2 + y - 4 = 0
A. 
B. 
C. 
D. 
Mathematics
From a 
-lb wheel of cheese, a 
-lb piece was served. How much cheese remained on the wheel?
A. 
lb
B. 
lb
C. 
lb
D. 
lb
Mathematics
Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first five terms of the geometric sequence: 
, 
, 
, . . . .
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the line that contains the point (–1, 3) and has slope –2.
A. y = -2x + 1 B. y = -2x + 3 C. y = -2x – 3 D. y = 2x + 3 E. y = -2x + 4
Mathematics