Asalesperson at a furniture store earns a 3% commission on all sales. how much commission does the salesperson earn on a $1400 sale? a) $21 b) $42 c) $420 eliminate d) $1,420

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 .