<span>Simplifying
12 + -6i = 0
Solving
12 + -6i = 0
Solving for variable 'i'.
Move all terms containing i to the left, all other terms to the right.
Add '-12' to each side of the equation.
12 + -12 + -6i = 0 + -12
Combine like terms: 12 + -12 = 0
0 + -6i = 0 + -12
-6i = 0 + -12
Combine like terms: 0 + -12 = -12
-6i = -12
Divide each side by '-6'.
i = 2
Simplifying
i = 2</span>
Let's do the bracket part first,
and solve further as shown,
Answer:
150 feet and reached a height of 100 feet at its highest point.
<span>m+4=12
</span><span>subtract 4 from both sides
m+4-4 = 12-4
m = 8
____________________________
</span>m+4=-12
subtract 4 from both sides
m+4-4 = -12-4
m = -16
The percentage increase of the puppy was 40% more. So your answer is D) 40%.