The value of y varies inversely as the square of x, and y=4 when x=3. What is the value of x when y=9

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?