I ONLY NEED A [SHORT] ANSWER AND NOW TOO how can you subtract mixed numbers when the fraction in the first mixed number is less than the fraction in the second mixed number? PLS HURRY!!!

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.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length