One angle of a triangle measures 136º. The other two angles are congruent. Enter and solve an equation to find the measure x of the congruent angles.

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Anyone know? will mark brainliest if correct

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6