Suppose you flip a coin 100 times, with 53 tosses landing heads up. What percentage of the tosses would be tails?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Find the area of the regular hexagon if a side is 20 cm.

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 .