Find the mode of the following number of t-shirts purchased by randomly selected customers at a clothing store. 11,1,16,5,1,7,7,7,16,5,11

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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?

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?