40. Four years ago, the age of Gopal was thrice the age of Ram. After 4 years, the age of Gopal would be the age of Ram. Find their present ages.​

The figure above shows the lengths of thesides of a rectangle in cm. find the valuesof x and y and then the area of the rectangle. sides: top= 3x - yleft= 3y + 4bottom= 2x + yright= 2x - 3 use both methods, elimination and substitution, if possible.

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Find the zeros of each function. f(x) = 6x^2 - 7x - 20