The sides of a triangle measure 2x + 5, X – 4, and 3(2x + 1). What is the perimeter of the triangle?

]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

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?

Factor the following expression completely 6x^11-24x^7