Algebraic fractions ! please help

What dimensions can créate more than one triangle ?

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 .

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1