true or false the five ways to display a relation are with ordered pairs, tables, mapping diagrams, a graph, and an equation.

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?