Find four numbers a, b, c, and d, for which the sums obtained when adding only three of them are given by 20, 22, 24, and 27.

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

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?

How does the graph of y = 3x compare to the graph of y = 3-x?