At work one day, Erica Franz received 18 packages, Speedy Delivery delivered three times as many as Ralphs Express, while Ralphs Express delivered two more than Send Quick Package Service. How many packages did each service deliver to Erica?

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

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?