Brainleist will be rewarded 100 points What is the perimeter of the triangle shown on the coordinate plane, to the nearest tenth of a unit?24.8 units 27.8 units

28.5 units

30.9 units

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

Ineed in figuring out this problem.

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 .