Sin3x+sin³x=3/4 sin2x

Which fraction below is equivalent to 10/12?

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 .

10x − 5y + 14 = 0 whats the answer pls