Write - 1.5y = 4.5x - 9 in standard form .​

What is the range for 31,39,29,34,37,24,36,33,34,28

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab