A square has an area of 121 in^2 what is the length of the sides

Will give brainliest summations with algebraic expressions image shown

If square root x = -7, then x= -49 true or false

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.