2y(x+y+2)dx+(y2−x2−4x−1)dy=0

Which of those sequences is a geometric sequence

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?

Which of the following expressions is equal to 2x^2+8