Hello!
We drove a total of 504 miles in 9 hours. How I solved this equation is by dividing 504 by 9. 504 / 9 = 56, as the answer. You could also solve this just by adding how many times 9 can go into 504, but that will be longer for the same result.
Enjoy.
Brainliest please?
Bakabaga anabahakan agajaba Avanavajakab
Answer: Option B
B. 
Step-by-step explanation:
We have the following equations:
(1)
(2)
Let us call "a" the coefficient of the variable x in the first equation and call "b" the coefficient of the variable x in the second equation.
Then we must multiply the number "a" by a value z such that when adding
the result is zero.

So

We solve the equation for z


The first equation must be multiplied by a value of 
Answer:
I'm 99% sure that it is $3,311
Step-by-step explanation:
sorry if i was wrong
You would find the square root of 361.

x=19