How do you know the number of parts to divide a number line from 0 and 1 into when comparing fractions?

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.

Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?

The bottom of a vase is a square.each side measury y+11 units.the square has a perimeter of 55 units what is the value of y?