Solve the triangle.B = 70°, C = 20°, a = 3
A. A = 90°, b = 2.03, c = 2.82
B. A = 90°, b = 2.82, c = 1.03
C. A = 90°, b = 3.82, c = 1.03
D. A = 90°, b = 1.03, c = 2.82
Answer: B
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Perform the indicated operation and write the answer in the form 
where a and b are real numbers.5i(2 - 8i)
A. 10i + 40i2 B. 10i - 40i2 C. 40 + 10i D. 10i - 40
Solve. Round to the nearest tenth, if necessary.Before taking a typing course, Marv could type 15 words per minute. By the end of the course, he was able to type 49 words per minute. Find the percent increase.
A. 226.7% B. 76.6% C. 30.6% D. 69.4%
Solve the problem.Use the graph of f to estimate the local maximum and local minimum.
A. Local maximum: 1; local minima: -2 and 3 B. Local maximum: approx. 8.08; local minima: approx. -7.67 and 2.75 C. No local maximum; local minimum: approx. -7.67 D. Local maximum: ?; local minima: -2 and 3
Find the coordinates of the midpoint of the line segment PQ.P(9, 1), Q(7, 7)
A. 
B. (2, -6)
C. (16, 8)
D. 