Solve the system of equations by using the inverse of the coefficient matrix of the equivalent matrix equation. X+ 7y = 10
3x + 8y = 4
The inverse of matrix A, A-1, is
(Type an integer or simplified fraction for each matrix element.)

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

What numbers are included in the set of integers? what numbers are not included?

Explain how you divide powers with like bases.discuss why the bases have to be the same.how are these rules similar to the rules for multiplying powers with like bases.