Triangle congruence— help please

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

Can someone me out here and the tell me the greatest common factor

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit