Nick and Lauren hiked 3.75 kilometers to a lake 45° east of south from their campsite. Then they hiked 30° west of north to the nature center 6.5 kilometers from the lake. How many kilometers are they away from their campsite? Round to the nearest tenth.

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).