Using aa theorem, which triangle is similar to jml?

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

30 in the diagram line e and made parallel to each other and line p and q are transversal. use properties of special angles formed by parallel lines and their transversals to find the missing angle measures. m< 3=65 m< 15=120 m< 7= m< 4= m< 6= m< 1= m< 16= m< 18= m< 21= m< 10= m< 11= m< 12=

What expression is equivalent to 42x-56y