Addendum
the answer is factor
Any number, real or imaginary, can be the sum of another number plus 9.
In a multiplication sum, the first number, the number to be multiplied by another number, is called the multiplier. The second number is called the multiplicand, and the answer is called the product.
Since the set of rational numbers is closed under addition, any rational number added to 0.5 will total another rational number.
Any number divided by another number is called a dividend. If the number is divided by the other number without a remainder, the dividend is a multiple of the divisor.
Since 0.25 is a rational number, you need to add another rational number. Any rational number will do. Try .75. Then you will get 1.
When added to a rational number, any irrational number will produce an irrational number.also, when added to an irrational number, any rational number will produce an irrational number.
Any number may be added
9 ============================== Another contributor added more answers: Multiply 9 by any whole number. The answer is divisible by 3 and 9. There are an infinite number if them.
Any irrational number, added to 0.4 will give an irrational number.
999999999999999999999999999999999999999999999999999999999999999999999999 gon. Any number that is 11 or greater than 12 is the number with gon added to the end
In any multiplication sum, such as 6 x 3 = 18, the number 6 is called the multiplier, the number 3 is called the multiplicand, and the number 18 is called the product.