Put these in order of size , smallest first 0.8 30% 3/5

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.

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?