Please solve for me and show step by step answer. -2(4a+1)-(a+4)= -51

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.

What is the slope of the line shown below?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.