In a certain​ skyscraper, the elevators whisk you to a restaurant in the skyscraper at a speed of 500 feet in 40 seconds. If the restaurant is 300 feet​ up, how long will it take you to reach the restaurant by​ elevator?

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?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample