Approximately 2% of the nation's children (about 1.7 million) have a parent who is in jail or prison. let x be the number of children that have an incarcerated parent from a random sample of 100 children.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

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?

Triangle knm is what is true about the sides of knm