Alan bought 3 pencils and a notebook. the notebook cost $6, and he spent a total of $12. how much did each pencil cost? use p to represent the cost of each pencil. a. ; each pencil cost $2.50. b. ; each pencil cost $1.50. c. ; each pencil cost $2. d. ; each pencil cost $2.

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle