Determine how many solutions exist for this system of equations (the picture) A. No solution
B. Infinitely many solutions
C. Two solutions
D. One solution

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Use the x-intercept method to find all real solutions of the equation. x^3-10x^2+27x-18=0

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?