Find the slope and y intercept. y=-5/4x+1

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?

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5