Answer:
5.2 or 5.2O
Step-by-step explanation:
add 2.6m + 2.60 which means add 2.60 + 2.60
2.60
+2.60
______
5.2 (the zero is optional)
14
(x+2)(x+8)
so x=-8 or x=-2
2940
You are subtracting a negative number. "Minus a negative is plus."
525 - (-2415) = 525 + 2415 = 2940
