Which is the equation of a hyperbola with directrices at y = ±2 and foci at (0, 6) and (0, −6)?

A) x squared over 12 minus y squared over 24 equals 1
B) x squared over 12 minus y squared over 48 equals 1
C) y squared over 12 minus x squared over 24 equals 1
D) y squared over 48 minus x squared over 12 equals 1

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was