letters cost $1 each to send in the mail and packages cost $5 each the equation x + 5y = 25 describes how many letters and packages you can send for $25 find the y intercept and explain what it means

If n-9 is an even number what are the next three consecutive intergers

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.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base