can you help my sister once again theres 12 questions and they are due today and i want her to pass it thanks

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 .

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

What is the ratio of the length of an object in yards to the length of the same object in miles?