Solve for x in the equation x^2-4x-9= a. x=2+-_/42 b. x=2+-_/33 c. x=2+-_/34 d. x=4+-_/42 square root =_/

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 values of the variables in the kite

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0