Give an example of an equation and an example of an expression. use a variable in each example.

The system of equations graphed below has how many solutions?

Arectangular yard has area 96 square feet. if the width of the yard is 4 feet less than the length

At the movie theatre, child admission is $5.20 and adult admission is $9.70. on sunday three time as many adult tickets as child tickets were sold, for a total sales of $788.90. how many child tickets were sold that day?