Find the size of each missing angle?

The graph of fx shown below has the same shape as the graph of gx = 3x^2 but is shifted down 2 units

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 .

Give me the equations of two lines that have the same slope but are not parallel.