Determine the value of x in the equation below.
(3a^3)^x= 27a^9
Select one:
O A. 1
O B. 2
O C.3
O D.4

Find the solution of this system of equation -7x+y=-20 9x-3y=36

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.

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?