Answer:

Step-by-step explanation:

Add 25 to both sides:


Square root both sides:
(Since a negative number multiplied by itself gives positive, there are two answers.)

I believe the correct answer is B. -5
Answer: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.
Step-by-step explanation:
Pia drove faster because she went farther than Ben in 3 hours.
Answer:
17
Step-by-step explanation:
According to the graph below there are just 3 real zeros. If you count everything, there would be 17. I have chosen the real ones. But there are 14 others that all involve complex numbers. I don't know how you would find them.
Summary
There are 17 roots in total. 3 are real.