Ana, maria y liliana realizan sus compras en el mismo supermarcado . si ella se encontraron el 14 de junio ¿ en que fecha se volveran a encontrar , si ana realiza sus compras cada 12 dias ,maria lo hace cada 15 dias y liliana cada 20 dias?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122