Sara says, "If you subtract 15 from my number and multiply the difference by -7, the result is -133. What is sara's number

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.

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.