Answer:
1. they are congruent
2. 180 degrees
B. 2/5
Step-by-step explanation:
First we write down the numbers.
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20.
Multiplies of three or five above are: 6,9,10,12,15,16,19,20 (there are 8)
So 8/20.
8/20 simplified is 2/5
So, it's B.
I think it is -31
-4(5) -11 = -31
The percent decrease of daylight on November 1,2007 is 54.67.
