Answer:
The colums are
- Negative numbers.
- Positive numbers.
- Real numbers.
Number zero can be included into real numbers, because it's inside whole numbers which is sub-set of real numbers. Also, number zero is not positive or negative.
Number 1 can be classified as a natural number, which is basically positive numbers.
Imaginary numbers are outside real numbers set, it forms a whole and different set. It's important to know that these numbers are basically the product between a real number and number , so they can be positive or negative.
Answer:
Step-by-step explanation:
BCD = 180° - 65° = 115°
GHI = 90° (GE is perpendicular to BI)
EDF = 180° - 155° = 25°
CDH = EDF = 25²
BHD = GHI = 90°
DHI = 180° - GHI = 90°
Answer:
-331
Step-by-step explanation:
1234567
1234
2345
3456
4567
5671
6712
7123
12345
23456
34567
45671
56712
67123
71234
123456
234567
345671
456712
567123
671234
712345
1234567
22 subsets.
Hey this was my attempt to help explain the answer