Choose the number that belongs to the set described. i don’t understand this, someone please help me!

1). Option (H)

2). Option (C)

3). Option (C)

4). Option (G)

5). Option (E)

Step-by-step explanation:

(1). Integers are the ''whole numbers''.

  Therefore, negative integer will be a whole number with negative notation =(-8).

  Option (H) will be the answer.

(2). "Numbers that can not be written as a fraction are irrational numbers"

   Option (C). √7

(3). "Whole numbers are the basic counting numbers starting from 0"

  Option (C). 0

(4). A rational number is a number that can be written as a fraction(in the form of .

  Option (G).

(5). "All positive integers are the natural numbers."

  Option (E). 12

nothjing

step-by-step explanation:

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9