Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 10, y = -2; 
B. inconsistent
C. x = 5, y = - 1; 
D. x = 1, y = 3; 
Answer: C
Mathematics
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Evaluate the definite integral. Express the answer in terms of natural logarithms.
A. 
ln
B. ln
- 1
C. ln 7
D. ln
Mathematics
The line graph below shows the price of a stock over the course of the day. Use the graph to answer the question(s).
At what time was the stock price the lowest?
A. 6 PM B. 1 PM C. 9 AM D. 10 AM
Mathematics
Find the sum.541.67 + 0.9994 + 18 + 3.55602 + 76.013
A. 639.23902 B. 640.23842 C. 640.23742 D. 640.33842
Mathematics
Graph the function. State whether it is increasing, decreasing, or constant..f(x) = 2x + 3
A. increasing
B. increasing
C. decreasing
D. increasing
Mathematics