Algebra help, 10 points!!!!!!!!!!!!!!?
When i say over i mean like a fraction ex. 1/2
11) 16x^2-8x+1 over 14x^4 ÷ 4x^2+7x-2 over 7x^5
16) 2x+10 over 15x^2 - 35x^4 over x^2-25
22) 2 over x^2-x-6 + 5 over x-3
for problem 22, find the lcd and the domain