Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in ordered pair form.
A. ?
B. {(0, 7)}
C. {(0, 6)}
D. {(-1, 7)}
Answer: C
Mathematics
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Find the standard deviation for the given data items. Round to 2 decimal places.10, 11, 12, 13, 14
A. 1.58 B. 0 C. 2.5 D. 1.25
Mathematics
Solve the problem.Linda needs to have her car towed. Little Town Auto charges a flat fee of $60 plus 
per mile towed. Write an equation in slope-intercept form which expresses Linda's towing cost, c, in terms of miles towed, x. Find the cost of having a car towed 7 miles.
A. c = 2 + 60; $62 B. c = 2x; $14 C. c = 2x + 60; $74 D. c = 2x + 60; $64
Mathematics
Use the vertical-line test to determine whether the graph represents a function.
A. Yes B. No
Mathematics
Decide whether the slope is positive, negative, zero, or undefined.
A. Zero B. Negative C. Positive D. Undefined
Mathematics