Clarissa is making a picture frame for one of her photos The shape of the frame is shown
15
What is the area of her frame (the shaded space)?
8 cm
8 cm
20

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 .