2. on a recent field trip, students paid $15 for
each ticket. if $675 is the total cost, how many
tickets were purchased?
a. write an equation:
b. what is the constant of proportionality?

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

I'll give brainliest if you answer right : )

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?