A movie theater offers popcorn in two sizes as shown. If the left size, costs $6 and right size costs $5, which is the better buy? (Hint: Think cost per cubic in)

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 .

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Identify the number as a rational or irrational.explain. 127