Which of the following is equivalent to 2a^7 + 5a^7?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Triangle abc was translated 2 untits to the right and 3 units down. write the algebraic rule that describes the translation that was applied to triangle abc to create triangle a'b'c'.

Solve for x -3+3b> 9a: ) x> 4b-9/3b: ) x< 9-4b/3c: ) x< -4b+9/-3d: ) x> 4b+9/-3