Astring of decorative lights is 26 feet long. the first light on the string is 16 inches from the plug. the lights on the string are spaced 4 inches apart. how many lights are there on the string?

At a point on the ground 50 meters from the foot of a tree, the angle of elevation to the tree is 48°. find the height of the tree to the nearest meter.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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.