The prices of karaoke at 6 different stores are $77, $85, $78, $72, $80 and $118. what is the outlier in tbe data set?

the discriminant is 64 + 4*1*12 = 112

this is prime.

step-by-step explanation:

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.