Maria rents a bicycle while on
vacation. It costs a flat fee of
$19.95 plus $5.50 an hour. Maria
rents if for 3 hours. What is the
total cost?

Does the point (1, sqrt 7) lie on circle shown.

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 .

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?