You have 2 cough medicine mixtures with you. The first mixture is 4% cough medicine and the second is 10% cough medicine. If your doctor says you need 800ml of 6% cough medicine, how much of each do you need?

Which expression is equivalent to the expression shown?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

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.