Tracy is observing the altitude of various birds as they descend in the air. The change in altitude is shown in the table.
Select all of the birds that descended less than 15 feet.

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.