The ———- of two or more monomials is the product of the GCF of the coefficients and the common variable

Which number produces a rationale number when multiplied by 1/5

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.

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle