please answer this correctly before 11:00 thx

B. Algebraic Expression and Equation
I. Express each as an algebraic expression. Use x as a variable, if needed.
__________________1. Six times the sum of 3 and y
__________________2. Nine increased by 8 times a number
__________________3. Nine less than a number
__________________4. Twice the product of m and n added to 5
__________________5. Four times the difference of a number and 10
__________________6. Thrice the difference of a and b