Answer:
<h2>50</h2>
Step-by-step explanation:

Answer:
13 - x
Step-by-step explanation:
X = Years
Current Age = 13
Lisa's Age = 13 - x
<span>
The perimeter is just the sum of the measures of the three sides. Add 'em up. You don't have a value for x, so you will have to leave your answer in terms of x.
</span>
What is the question is the o