Why are the expressions ( − ) + ( − ) and ( − ) equivalent?
Justify your answer.

The two-way table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or don’t ride a motorcycle. among people whose hobby is reading, what is the relative frequency of not riding a motorcycle? express your answer as a decimal, and round it to the nearest hundredth if necessary. enter your answer in the box. reading solving puzzles ride a motorcycle 7 3 don't ride a motorcycle 5 9

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1