X^2 − 15 = 1 please help

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Landon wrote that 3−2.6=4. which statement about his answer is true?