NEED HELP WITH 2 MATH QUESTIONS WILL GIVE BRAINLSIT!!

The system of equations graphed below has how many solutions? y = 2x + 2

True or false look at the picture pls : /

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 .