Solve the problem.The decline in the value of a stock can be estimated by the function 
where x is the year with 1990 ? x ? 2000. What is the slope of the graph of f?
A. -0.65
B. 82
C. 1375.5
D. 0.65
Answer: A
Mathematics
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Indicate whether the equation has no solution or is true for all real numbers. If neither is the case, solve for the variable.10x - 2(3 + 5x) = -6
A. 
B. ?
C. 
D. {x|x is a real number}
Mathematics
Use a divisibility test to answer the question.Is 109 divisible by 4?
A. Yes B. No
Mathematics
Solve the problem.The distance from the downtown station to the last stop on a commuter railroad line is 28.6 miles. The distance between stops is about 2.2 miles. How many stops are there?
A. 12 stops B. 14 stops C. 13 stops D. 6 stops
Mathematics
Solve the problem.Determine whether the ordered triple (-2, 6, -1) is a solution of the system of equations.-x + 3y + 4z = 163x + 2y - z = 74x - y + 3z = -17
A. Yes B. No
Mathematics