Answer:
I think that gives remind us of how pictures lokked back then and because that is what they used back then and it tells me is old
Step-by-step explanation:
Answer:

Step-by-step explanation:
To Calculate the percentage Increase
<u>Step 1</u>: Subtract the old value from the new value
1.8 mg - 1.2 mg = 0.6 mg
<u>Step 2:</u> Divide the difference by the Old Value

<u>Step 3: </u>Multiply by 100

The Percentage Increase in Iron is 50%.
Answer:
1. 1
1. 13π.
--
20
explain:
1. 1 because any any non-zero expression raised to the power of 0 equals 1
13π.
2. --. because to convert into radian measure multiply by. π
20. ----
180°
189 because 20.7 rounds to 21 and 9.18 rounds to 9
21 * 9 = 189
The answer is probably 50 ok