X - 3y = 0 a direct variation?
If yes, identify the constant of variation

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.