Which swimmer is in the lead at the 150 yard mark?
Explain how you know.

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.

How to solve a simultaneous equation involved with fractions?

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)