Provide an appropriate response.Which of the statements below is true?A: If (r1, ?1) and (r2, ?2) represent the same point in polar coordinates, then 
B: If (r1, ?1) and (r2, ?2) represent the same point in polar coordinates, then 
for some integer n.
A. Neither A nor B
B. B only
C. Both A and B
D. A only
Answer: D
Mathematics
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Solve the problem.Use the line graph to determine how many more hours were needed to prepare for Test 4 than for 
.
A. 1 B. 3 C. 2 D. 4
Mathematics
Determine whether the variation model is of the form 
or 
and find k. Then write a model that relates y and x.
x
5
10
15
20
25
y
-1.5
-3
-4.5
-6
-7.5
A. 
B. 
C. 
D. 
E. 
Mathematics
The vector v has initial position P and terminal point Q. Write v in the form ai + bj; that is, find its position vector.P = (4, 6); Q = (-6, -5)
A. v = 11i + 10j B. v = 10i + 11j C. v = -11i - 10j D. v = -10i - 11j
Mathematics
Solve the system of equations.
A. (6, - 2
), (6, 2
), (-8, - 4), (-8, 4)
B. (6, 2
), (-8, 4)
C. (6, - 2
), (6, 2
)
D. No solution
Mathematics