Find the number of proper subsets of the set.{poetry, drama, speech, art, film}
A. 31
B. 24
C. 32
D. 16
Answer: A
Mathematics
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Find the root.
A. 6 B. -6 C. Not real number D. 36
Mathematics
Solve the problem.The table shows the population of a city over the past five years.
We used these data to develop the quadratic equation 
, which models the population of the city y in millions in the year x, where x = 0 represents 1995, x = 1 represents 1996, and so on. Use the model to find the estimated population in the year 1998.
A. 68,852,000 B. 1,490,000,000,000 C. 1,490,000 D. 71,628,000
Mathematics
Solve the problem.Use the formula 
to find the grade resistance of a 
car traveling on a 
uphill grade. Calculate R to the nearest ten pounds.
A. 220 lb B. 150 lb C. 170 lb D. 200 lb
Mathematics
Find the exact value. sin(-450)
(a) -1 (b) 1 (c) 0 (d) 2 (e) undefined
Mathematics