Find the power of i.i-21
A. 1
B. -i
C. i
D. -1
Answer: B
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Find the perimeter of the polygon described. Write any improper fractions as mixed numbers.A regular heptagon; one side is 8
yd long.
A. P = 56
yd
B. P = 60
yd
C. P = 58 yd
D. P = 68
yd
Provide an appropriate response.Determine y on the plot of land described by the given figure. 
A. 294.8 ft B. 3.314 ft C. 268.3 ft D. 334.6 ft
Calculate. 22 ? 2-5 ÷ 213 ÷ 2-5
A. 2-21 B. 2-11 C. 2-1 D. 215
Solve the problem.A newspaper is launching a new advertising campaign in order to increase the number of daily subscribers. The newspaper currently (t = 0) has 26,000 daily subscribers and management expects that number, S(t), to grow at the rate of 
subscribers per day, where t is the number of days since the campaign began. How long (to the nearest day) should the campaign last if the newspaper wants the number of daily subscribers to grow to 49,000?
A. 57 days B. 33 days C. 44 days D. 69 days