The mass of a textbook is about 1.55 kilograms. about how many pounds is this

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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 .