3) jim is buying a newcamping tent for $123. if the state sales tax rate is 8% how much will jim have to pay altogether for the camping tent, including tax

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.