the sides of a square each have a length of 11x inches write an expression for the perimeter of the square in inches

Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $

Can someone me with my hwplz(only the circled ones)

Choose the correct classification of 3x4 − 9x3 − 3x2 + 6. 5th degree polynomial 4th degree polynomial 9th degree polynomial 24th degree polynomial