Solve the system of equations.
-9y+4x-20=0
-7y+16x-80=0

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Find the solution(s) to x^2-14+49=0