This is a 2x2 identity matrix
True
Or
False

Ineed to learn how to solve this problem

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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.