The perimeter of a rectangle is 46 inches and the area is 120 square inches. Find the length and width of the rectangle.
A. 8 and 30
B. 16 and 30
C. 8 and 15
D. 16 and 15
E. none of these
Answer: C
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Rearrange the equation into standard form.6x2 - 6x = 12
A. 6x2 - 6x -12 = 0 B. 6x2 + 6x -12 = 0 C. -6x2 - 6x -12 D. 6x2 - 6x +12 = 0
Solve for x using an equivalent exponential expression.An ice cream cone with a 9-centimeter diameter and 15-centimeter depth is filled exactly level with the top of the cone. Approximate how much ice cream (in cubic centimeters) is in the cone. Use 
for ?.
A. 954
cu cm
B. 1272
cu cm
C. 3818
cu cm
D. 318
cu cm
Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Square roots of 1 - i
A. 
(cos 22.5° + i sin 22.5°), 
(cos 202.5° + i sin 202.5°)
B. 
(cos 22.5° + i sin 22.5°), 
(cos 22.5° + i sin 22.5°)
C. 
(cos 157.5° + i sin 157.5°), 
(cos 337.5° + i sin 337.5°)
D. 
(cos 157.5° + i sin 157.5°), 
(cos 337.5° + i sin 337.5°)
Use the given row transformation to change the matrix as indicated.
; -2 times row 1 added to row 2
A. 
B. 
C. 
D. 