Un gusanos se encuentra en el fondo de un poso durante el día sube 2 m y durante la noche baja 1 m de altura ha subido después de tres días y dos noches

What are the soultion(s) to the quadratic equation 40- x^2=0

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?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?