What is the area of the triangle in the center

What is the factored form of the following expressions? d^2 – 13d + 36

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?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?