Solve the problem.The graph shows the relationship between the area A of a rectangle and the length L, if the width is fixed. Find the area if the length is 4 cm.
A. 52 cm2
B. 78 cm2
C. 13 cm2
D. 26 cm2
Answer: A
Mathematics
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Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Cube roots of 
- i
A. 2(cos 100° + i sin 100°), 2(cos 220° + i sin 220°), 2(cos 340° + i sin 340°)
B. 2(cos 110° + i sin 110°), 2(cos 230° + i sin 230°), 2(cos 350° + i sin 350°)
C. 
(cos 100° + i sin 100°), 
(cos 220° + i sin 220°), 
(cos 340° + i sin 340°)
D. 
(cos 110° + i sin 110°), 
(cos 230° + i sin 230°), 
(cos 350° + i sin 350°)
Mathematics
Solve and graph.|4k + 8| ? 9
A. 
, or 
B. 
, or 
C. 
, or 
? 
D. 
, or 
Mathematics
Factor the sum or difference of two cubes.x3 - 216
A. (x + 6)(x2 - 6x + 36) B. (x - 6)(x2 + 36) C. (x + 216)(x2 - 1) D. (x - 6)(x2 + 6x + 36)
Mathematics
Write 13.319 in expanded notation. ?
A. 
B. 
C. 
D. 
E. 
Mathematics