Plzz i will give brainlist answer the area of room a is (5x^2-7x-6)ft^2. room b has an area of 8x^2 +6x-1)ft^2. if room a is the larger room, how much greater is the area of room a than the area of room b. a. -3x^2-x-7 b. 13x^2-13x-7 c. -3x^2-13x-5 d. 3x^2-x-5

Evaluate the expression for the given value of the variable 7a - 4a for a =8

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

]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