Given f(x)=9x^2 find f(-3)

5(-9w) put expression in distributive property

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.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers