PLz help with these questions.
For questions 1 and 2 , write each expression using a single exponent.
1) x^9/x^2
2) h^14/h^5
For questions 3 and 4, simplify each expression.
3) 4^4/4^6
4) 5^0
For questions 6-8, multiply the following polynomial.
6) -2r( 8r + 5 )
7) 4a( a^2 + 7a + 4 )
8) ( 2y - 3 )( 3y - 2 )