D) Twelve percent of the price of a bike is $64.8. What is the price of a bike?

12% of the price of a bike is $64.8.

100% of the price of a bike is a.

We have 64.8/a = 12/100

=> a = 64.8  x 100/12 = 540$

=> Price of the bike: 540$

Hope this helps!

:)

the third picture

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.