If the dog has twelve coins and then a cat took two coins how much do they have left

Step-by-step explanation:

You are using the plural meaning that together they have all the coins the dog started out with.

The answer is 12.

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.