The set of numbers that includes the counting numbers, beginning with 1, is called the set of whole numbers natural numbers integers rational numbers

Counting Numbers - Also called natural numbers, the set of positive numbers used to count objects. 1, 2, 3, 4, 5, ... Integers - The set of numbers including all the whole numbers and their opposites (the positive whole numbers, the negative whole numbers, and zero) -- fractions and decimals are not integers.

natural numbers

Step-by-step explanation:

Natural numbers are also known as the counting numbers.  They start at 1 and include all whole numbers from 1 up.

Whole numbers are the counting numbers with 0 added to the set.

Integers are the whole numbers with negatives added to the set.

Rational numbers are all numbers that can be written as fractions, including whole numbers, fractions and decimals.

24+x=y

step-by-step explanation:

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column