Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination. x - 2y = -152x - 2y = -22
A. (-7, 4)
B. (-6, -7)
C. (-6, 3)
D. No solution
Answer: A
Mathematics
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Find the required limit or indicate that it does not exist.
[(9 cos t)i + (8 sin t)j]
A. 9j B. 9i C. 8i D. 8j
Mathematics
Evaluate the geometric series or state that it diverges.
A. 
B. 
C. 
D. 
Mathematics
Indicate whether the quotient is 0 or undefined.0 ÷ 5.6
A. 0 B. undefined
Mathematics
Solve.The perimeter of a rectangle is 62 feet. Describe the possible length of a side if the area of the rectangle is not to exceed 198 square feet.
A. The length of the shortest side must be at least 22 feet. B. The length of the shortest side cannot exceed 9 feet. C. The length of the shortest side cannot exceed 22 feet. D. The length of the shortest side must be at least 9 feet.
Mathematics