Evaluate:
Σ21(2n + 8) = [?]
HELP ME PLS

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.