What is the lcd of 5/12 and -9/-16?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

If i have one apple and give you the apple, how many apples do i have?

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.