Find the value of n in the equation 6.2n-3.7n=85+45

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i