Do these ratios form a proportion?
16 bikes: 20 cars
36 bikes : 45 cars

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

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 you answer 2+2 you will get over 80 points