Coterminal angles are angles in standard position (angles with the initial side on the positive x -axis) that have a common terminal side.
<h3>Answer: 89°</h3>
Fill in the blanks to make the equation true. 9/4 × 1 = 9/4 × ? = 45/20
2 answers:
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The expression for (r-s)(x) is found by subtracting s from r. That difference is 
. The expression for (r+s)(x) is found by adding them, which is 
. Now we are told to evaluate (r*s)(x) which means they want us to multiply those and state the "new" expression that results. 
. There you go!