A circular table top has a diameter of 10 feet. Determine the area, in
square feet, of the table top. Use 3.14 for it.

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g