The following angles in a convex quadrilateral angle a= 56.1 degrees angle b= 99.4 degrees angle c= 78.2 degrees what is the measure of the missing angle?

What is the measure of angle 1? a.28 b.152 c.168 d.64

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work:

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.