What is 8b - ab + 7a subtracted from 3a - 9ab + b?

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 1, 2−√3

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?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?