Use Cramer's rule to solve the system of linear equations.-7x + 9y = 42-5x - 5y = 30
A. (-6, 0)
B. (-7, 1)
C. No solution
D. (-6, 1)
Answer: A
Mathematics
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Solve the problem.A bicycle wheel makes 4 revolutions. Determine how far the bicycle travels in inches if the diameter of the wheel is 22 in. 
Round to the nearest tenth.
A. 69.1 in. B. 552.6 in. C. 88 in. D. 276.3 in.
Mathematics
Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. 
C. 9b - 2
D. 
Mathematics
Use the intermediate value theorem to approximate the one real zero on the given interval. Round your answer to two decimal places.f(x) = x3 - 8x - 3; [-1, 0]
A. -2.62 B. 2.62 C. 0.38 D. -0.38
Mathematics
Solve the triangle. 
A. b = 1.57, A = 99.8°, C = 55.2° B. b = 2.57, A = 55.2°, C = 99.8° C. b = 2.57, A = 99.8°, C = 55.2° D. b = 3.57, A = 55.2°, C = 99.8°
Mathematics