Write the decimal 1,072.039 in expanded form.

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Does the point (1, sqrt 7) lie on circle shown.

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585