A vector v has initial point P and terminal point Q. Graph 
and write 
as 
P = (-2, -4), Q = (-10, -6)
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Provide an appropriate response.Derive the identity sec-1(-x) = ? - sec-1 x by combining the following two equations:cos-1(-x) = ? - cos-1 xsec-1 x = cos-1(1/x)
What will be an ideal response?
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Solve the equation.(7 - 0.8x)(5 - 0.5x) = 0
A. 8.75, 10 B. 7, 5 C. 0.8, 5 D. 8.75, 0.25
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Find the amount or rate of discount and the sale price after the discount. Round money answers to the nearest cent if necessary.Original price: $22.50 Rate of discount: 35%
A. $7.65, $14.85 B. $3.94, $18.56 C. $7.88, $14.62 D. $8.10, $14.40
Mathematics
Provide an appropriate response.Find all complex cube roots of z = 8i. Write each root in rectangular form.
A. 2i, 
- i, - 
- i
B. -2i, 
+ i, - 
+ i
C. -2i, - 
- i, 
- i
D. 2i, 
+ i, - 
+ i
Mathematics