Use the graph to answer the question.Use the line graph to determine how many more hours were needed to prepare for Test 2 than for 
.
A. 4
B. 1
C. 3
D. 2
Answer: D
Mathematics
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Find the limit, if it exists.
A. Does not exist B. 8 C. 0 D. 10
Mathematics
Find the sum and simplify the answer. 
A. 
B. 
C. 
D. 
Mathematics
Determine two pairs of polar coordinates for the point with 0° ? ? < 360°.(0, - 
)
A. (
, 0°), (- 
, 180°)
B. (
, 90°), (- 
, 270°)
C. (
, 270°), (- 
, 90°)
D. (
, 90°), (- 
, 0°)
Mathematics
Solve by transforming the augmented matrix into row echelon form.
A. no solution B. (5, -5) C. (-5, 5) D. (-5, -5)
Mathematics