Can someone help me with two Dimensional shapes ?

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?