Answer:
269
Step-by-step explanation:
By the order of operations, you first do the multiplication, then you can do the addition and subtraction
7+5+264-7
12+264-7
276-7
269
Answer: (a) x + 2y = -1 and 3x + y = 1
<u>Step-by-step explanation:</u>
I am not sure what the purpose was for the colored lines but I included them on the graph (below).
11 days for the second question
Answer:
The answer is
8 x 24 x 4 x 56 x 37 x 85 = 135260160