Given the center of the circle (2,6) and a point on the circle (4,6), write the equation of the circle and then determine if (2,2) is on the circle.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

What is x3+3x2−16x−48 divided by x−1?

Can you divide 25 into 4 equal groups? explain why or why not.