Answer:
18x + 13y = 60
6x + 2y = 6 ---> 6x = -2y +6 ---> 18x = -6y+18
Substitution
(-6y +18)+13y =60
-18 -18
--------------------------
7y = 42 so y=6
Then, 6x + 2(6) =6, which you will get x = -1
(-1, 6)
Answer: 
Step-by-step explanation:
Given: Length of sandwich = 
Total people = 14
If everyone gets a same sized piece , then length of each piece should be


Hence, length of each piece = 
A and C are rational numbers
Answer:
60 cm²
Step-by-step explanation:
Just divide the figure in parts and then find their areas separately. At last, find the area of the whole figure by adding the areas of the parts
Answer: The answer is the other guys thing
Step-by-step explanation: