If using the method of completing the square to solve the quadratic equation x^2-19x+23=0 which number would have to be added to "complete the
square"?

Hannah works at the mall selling book bags. she sold 35 book bags in 5 hours. how many book bags did she sell per hour?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.