Sin(x)=0.95 rounded to the nearest hundred

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

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.

Ofin . (2,4) (2,1) a. y= 2 b. x= 2 c. x= -2 d. y= 2x