2x - y - 4 = 0 3x + y - 9 = 0

What is the solution set of the given system?

A. {(6, 5)}
B. {(5, 6)}
C. {(13/5, 6/5)}
D. {(6/5, 13/5)}

Step-by-step explanation:

+ Both equations

You will get : 5x=13 ; x=13/5

and put x to the first equation

2*13/5-y=4

y=6/5

(13/5;6/5)

Answer is C

e.

step-by-step explanation:

because there are always 10 numbers in a phone number.

the answer is 844

step-by-step explanation:

it is 844 because if you add 836.50 + 7.5 you will get 844