Aline passes through the points (4, 19) and (9, 24) write a linear function in the form y=mx+b for this line

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 .

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25