Choose the polynomial that is written in standard form. a. xy3 + 4x5y + 10x3 b. x4y2 + 4x2y + 8x c. −9x4y2 + 4x3y5 + 10x2 d. x6y3 + 4x4y8 + x2

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

15 point ! ~ see if you know the answer to both you!

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?