The smith family went to eat at buffalo wild wings . the bill was $43.86. they gave the server a 15% tip what is the cost of the tip. how much did they pay all together

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great