Solve using Cramer's Rule.
A. (6, 9, 6)
B. (8, -6, -9)
C. (9, 4, 9)
D. (8, 6, 9)
Answer: D
Mathematics
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Use the substitution formula to evaluate the integral.
A. - 
B. - 
C. - 
D. 
Mathematics
Write as a percent.0.028
A. 0.0028% B. 2.8% C. 28% D. 0.028%
Mathematics
Find the vertex and axis of symmetry of the parabola.x = 
(y + 2)2 - 2
A. (-2, -2); x = -2 B. (2, 2); y = 2 C. (2, -2); y = -2 D. (-2, -2); y = -2
Mathematics
Solve the problem.A bicyclist's average linear speed during a race was 32 miles per hour. His bicycle wheel has a 16-inch diameter. What was the angular speed of the wheel in revolutions per hour? Round to the nearest tenth.
A. 2 revolutions per hr B. 3361.4 revolutions per hr C. 40,336.3 revolutions per hr D. 126,720 revolutions per hr
Mathematics