Operation on real numbers and algebraic identities: if x=1/8-root 60 what is the value of x^3-5x^2+8x-4
can you be kind enough to answer this question please?​

Find the value of x for which the lines are parallel.

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.

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?