Sarah spends 2/5 of her monthly income on rent. sarah's rent is $750. what is sarah's montly income? write an equation to solve this problem.

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

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.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).