The answer to this is step 2 because they multiplied when they should of subtracted the 10 and the 12.
Approximately 2945.24 units
Answer:
x=2; y=1
Step-by-step explanation:
Since the triangle is equilateral, which means three sides have the same length.
So we have:4x-y=2x+3y=7

Since 2x+3y=7 and plug in x=2y
we have

and since y=1
x=2
Answer:
-27
Step-by-step explanation: