What is the value of one striped present and one polka dot present

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

What is the area of the triangle 10 13 12

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?