What are the decision variables in the diet problem? number of items of food to purchase number of ingredients to use amount of each ingredient to use amount of each type of food to purchase

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.

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).