Which of the following are quadratic functions? check all that apply. a.y=x^2+5x-2b. y=-x+2c. y=5x-3/2 +x^2d. y=x-1/x

For how answer my question this will be the last question can you answer in math subject

Which letters from the table represent like terms? a and b b and c a and d b and d

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