Rectangle is inscribed in a circle of radius 5 inches. If the length of the rectangle is decreasing at the rate of 3 inches per second, what is the rate of change of the area at the instant when the length is 4 inches?

Me figure out the process to determine x you appreciate it : )

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?

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?