Yulissa plans to cook several quinoa dishes over the next few weeks. at the store, the cost of one pound of quinoa is $3.20. what is yulissa's total cost, ignoring sales tax, if she purchases 4.5 pounds of quinoa?

X2 + y 2 = 36 x + y = 6 solve the system of equations.

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.

For the inequality |c| < |d| to be true, which of the following must be true?