Match the given equation with the verbal description of the surface: a. cone b. half plane c. elliptic or circular paraboloid d. circular cylinder e. plane f. sphere 1. pcos(0) = 4 2.0 = 1 3. p2 + 22 = 16 4. r = 2 cos(0) p=4 2 cos(0) 8. z=p2 9. r =4

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 .