3added to 5 times a number and the result is multiplied by 4. the final result is 72. find the number

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i