She is incorrect, she should’ve added 2 to both sides.
Answer:
Its already solved, -4+25 does equal -4+25
Step-by-step explanation:
Answer:
x-y=5 just solve it to get the answer
Answer:
8000 to the nearest thousand
7905.685 to the thousandth
Step-by-step explanation:
I assume that the numbers are supposed to be written as 7.14 x 10^10 for December and 3.21 x 10^10. The total mail delivered is the sum of these two numbers.
(7.14 x 10^10) + (3.21 x 10^10) = 1.035 x 10^11