Please help me please will give its about negative numbers

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

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?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x