Find the number of subsets of the set.{x | x is a day of the week}
A. 128
B. 256
C. 127
D. 124
Answer: A
Mathematics
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Solve.Amy can clean the house in 6 hours. When she works together with Tom, the job takes 4 hours. How long would it take Tom, working by himself, to clean the house?
A. 12 hr
B. 12
hr
C. 13 hr
D. 2 hr
Mathematics
Solve the compound inequality. Graph the solution set.13 ? 4t + 5 ? 29
A. [2, 6]
B. [-6, -2]
C. (2, 6)
D. (-6, -2)
Mathematics
Evaluate the expression.
4
A. 16
B. 
C. - 
D. -16
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 1 + iw = 
- iFind zw.
A. 2
(cos 15° + i sin 15°)
B. 2
(cos 345° + i sin 345°)
C. 
(cos 15° + i sin 15°)
D. 2
(cos 75° + i sin 75°)
Mathematics