Answer:
2.821
Step-by-step explanation:
Integers are irrational numbers. A natural number is a rational number. An irrational number is a real number. Zero is a natural number.
I hope this helps!
Answer:
you graph it
Step-by-step explanation:
put it in yo cal
2c -7 >= 9
2c >= 16
c >= 8
5d + 7 <= 32
5d <= 25
d <= 5
normal arthematic except diving over -1 or flipping (taking inverse -1) flips the operator