Whicwhich answer choice shows that the set of irrational numbers is not closed under addition?
h set is closed under subtraction?

What are “like terms”? why can we only add like terms?

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

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.