These are questions I need help on, I just need to check my work and see where I made errors.

1a. describe how to transform (^6 sqrt X^5)^7 into an expression with a rational exponent. Make sure you respond with complete sentences.

2b.Solve the equation sqrt x+4-3=1 for the variable. Show each step of your solution process.

3c. Given the expression 3x^2y+4xy+1-5x^4y-6y

A. Write the polynomial in descending order

B. Classify the polynomial by the number of terms

C. State the degree of the polynomial

4d. let f(x)=x^2 +x+2 and g(x) =2x^2+5 find f(g(x)) show each step of work.