Vicki and dan shared the driving on a 180 mile road trip. Vicki drove 60 miles and Dan Drove 120 miles. Which shows the ratio of dan miles to all the miles they drove.

41/2 - 1 1/3 what is the answer as a fraction?

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?