Find the area of the shaded figure. *

(2x + 3) in
(x - 1) in

I need help solving

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 .

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33