Jake a plane and a 5 foot tree after one year he measured and found the tree had a grown by 20% of its original height how tall is the tree after one year
a. 5.2 ft
b. 6.0‘ft
c. 7.0‘ft
d. 7.5 ft

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 .