Slope intercept form. (8-9); slope=-4/3

Plz which expression is equivalent to the expression below?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?