Aimee must add together the following numbers:
3.50 + 4.00 + (-1.25) + (-7.50) + 5.25 + 2.00
as her first step, aimee writes:
(3.50 + (-7.50)) + (-1.25 + 5.25) + (4.00 + 2.00)
which is the best explanation of what aimee did in this step?

Based on what i know about mean, this doesn't add up.

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

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.