Solve the problem.Jeff takes 5 hours longer to build a fence than it takes Bill. When they work together, it takes them 6 hours. How long would it take Bill to do the job alone?
A. 11 hours
B. 9 hours
C. 10 hours
D. 12 hours
Answer: C
Mathematics
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Approximate the sum to the indicated accuracy.
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Mathematics
Solve the equation for ? if 
. Do not use a calculator.
?
?
A. 60°; 300° B. 150°; 330° C. 30°; 210° D. 135°; 315° E. 120°; 300°
Mathematics
Suppose that ? is in standard position and the given point is on the terminal side of ?. Give the exact value of the indicated trig function for ?.(-10, 24); Find sin ?.
A. 
B. - 
C. - 
D. 
Mathematics
Use the discriminant to classify the graph.
?
?
A. The graph is a cone. B. The graph is a parabola. C. The graph is a ellipse or circle. D. The graph is a hyperbola. E. The graph is a line.
Mathematics