An airplane must fly at a ground speeed of 450

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

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.

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj: