A pair of parallel lines is cut by a transversal as shown below: Which of the following best represents the relationship between angles m and n?

answer choices:
1. m = 180 degrees - n
2. n = 180 degrees - m
3. m = n
4. n = 2m

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?