A shoemaker wants to figure out if a new shoe that she is working on will cause athletes to suffer less foot problems. This research topic is best investigated through an (experiment or observational study)? please help. it must be accurate.

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Which is f(5) for the function –2x2 + 2x - 3?