Find the vertex, focus, and directrix of the parabola.
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Factor completely.x2 + 4x - 60
A. Prime B. (x - 10)(x + 6) C. (x - 10)(x + 1) D. (x + 10)(x - 6)
Determine when the Hamilton method gives an Alabama paradox on increasing committee size and who loses a seat.City A, City B, and City C are cooperating to build a community center catering to the three cities. Seats on the 11-member committee are assigned according to the populations of the cities. The population of City A is 5000, City B is 11,250, and City C is 15,500. Increase the committee's size by one seat at a time and reassign the seats.
A. Assignment of 15th seat; City C B. Assignment of 16th seat; City A C. Assignment of 14th seat; City A D. Assignment of 16th seat; City B
Graph the inequality.x + 2y ? 1
A. 
B. 
C. 
D. 
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:Between 16.1 and 17 seconds
A. 12% B. 13.5% C. 27% D. 34%