Find the standard form of the equation of the parabola using the information given.Focus: (0, -15); Directrix: y = 15
A. x2 = 60y
B. y2 = -60x
C. x2 = -60y
D. y2 = -15x
Answer: C
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Find the missing value and write a conclusion.35% of 600 is what number?
A. 35% of 600 is 210. B. 35% of 600 is 2100. C. 35% of 600 is 21. D. 35% of 600 is 2.1.
Solve the problem.The following table shows the number of dog collars, in thousands, produced by Allied Pet Products in the three years considered. For a function of the form f(x) = ax2 + bx + c that fits this data, what is the value of b? 
A. -1.6 B. -1.2 C. 1.9 D. 2.3
Solve.The population of Graham County is 1,069,733. The population of Broselow County is 267,979. The population of Cameron County is 205,256. How much greater is the population of Graham County than Cameron County?
A. 801,754 B. 864,577 C. 800,754 D. 864,477
Complete.10 min = sec
A. 600 B. 300 C. 120 D. 240