Solve the system of equations. Write you answer as an ordered pair. y = 2x + 3

y = -X - 9​

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?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

The graph represents f(x)=[x]+3. what is f(-2.2)?