A, B, C and D are points on a circle, centre O. AOBE and DCE are straight lines.
CO = CE.
Angle AOD = 69º
Angle CEO = xº
Calculate the value of x.
Show your working clearly.

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

The triangles are similar. what is the value of x? show your work.

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000