15 POINTS Convert (3.-3) from rectangular coordinates to polar coordinates.

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.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?