Evaluate. Write the answer as a mixed number whenever possible.Three-fourths of 12
A. 1
B. 9
C. 3
D. 
Answer: B
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Factor the expression. Express your answer so that only positive exponents occur. (5m + 9)-6/5 + (5m + 9) 1/5 + (5m + 9) 7/5
A. (5m + 9)-6/5 [1 + (5m + 9)-7/5 + (5m + 9) -13/5] B. (5m + 9)-6/5 [1 + (5m + 9) 7/5 + (5m + 9) 13/5] C. (5m + 9)-6/5 [1 + (5m + 9) 7/5 - (5m + 9) 13/5] D. (5m + 9)-6/5 [1 + (5m + 9) 8/5 + (5m + 9) 11/5]
Find the foci and endpoints of each axis for the given ellipse.
+ y2 = 1
A. Foci: (±
, 0); vertices: (± 14 , 0);
endpoints of the minor axis: (0, ± 1)
B. Foci: (± 143, 0); vertices: (± 144 , 0);
endpoints of the minor axis: (0, ± 1)
C. Foci: (±
, 0); vertices: (± 12, 0);
endpoints of the minor axis: (0, ± 1)
D. Foci: (0 , ±
); vertices: (± 12, 0);
endpoints of the minor axis: (± 1, 0)
Solve the problem.Grand Tower is 253 feet taller than the A.W. Building. Let x represent the height of Grand Tower. If Grand Tower is 1040 feet tall, determine the height of the A.W. Building.
A. 1293 ft B. 263,120 ft C. -787 ft D. 787 ft
Find the rectangular form for the indicated power of the complex number.z5; z = 2 - 2i
A. -128 + 128i
B. -64 + 64i
C. -64
+ 64
i
D. - 
+ 
i