Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Find the latitude of Winnipeg, Canada if Winnipeg and Austin, TX, 
, are 
apart.
A. 60°N
B. 50°N
C. 20°N
D. 70°N
Answer: B
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Rationalize the denominator and, if possible, simplify to form an equivalent expression.
A. 
B. 
C. 
D. 
Find all cube roots of the complex number. Leave answers in trigonometric form.-125i
A. 5 cis 90°, 5 cis °210, 5 cis 330° B. 5 cis 30°, 5 cis °60, 5 cis 90° C. 5 cis 90°, 5 cis °180, 5 cis 270° D. 5 cis °210, , 5 cis 270°, 5 cis 330°
Rewrite the equation in standard form. Find the center and radius of the circle.x2 + y2 + 12x + 8y - 207 = 0
A. (x + 12)2 + (y + 8)2 = 1 center (12, 8), r = 1 B. (x - 12)2 + (y - 8)2 = 1 center (12, 8), r = 1 C. (x + 12)2 + (y + 8)2 = 1 center (-12, -8), r = 1 D. (x - 12)2 + (y - 8)2 = 1 center (-12, -8), r = 1
A credit card company charges a customer 1.15% per month on the unpaid balance of charges on the credit card. What is the finance charge in a month when the customer has an unpaid balance of $158.38? Round your answer to the nearest cent.
A) $0.18 B) $160.20 C) $156.56 D) $1.82 E) $18.21