Step-by-step explanation:
We have y = 13 - 3x and y = 7 - x.
=> 13 - 3x = 7 - x
=> 2x = 6, x = 3.
Then y = 7 - (3), y = 4.
Hence the price of a pencil is $3 and the price of a notebook is $4. (C)
Add $9.40 two times what ever you get multiply that 15 and there’s your answer
length : 
Explanation:
use the distance formula : 




Foundry is what you get when you smelt iron :)
Answer:
A. 12p + 12q
Step-by-step explanation:
12(p + q)
= 12p + 12q
The equation can be simplified down by distributing, but cannot be simplied any further because there is no like terms.