Find the percent change from 72 to 80.
(tips: Find the difference between 80 and 71. Set up a fraction, numerator is the difference and denominator is the original number of 71. Then multiply by 100 to get the percent. Show your work

vvgvgyvcicviuviug

Step-by-step explanation:

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.