Answer:
Step-by-step explanation:
Answer: <em>(1,5,7,10,11,15)</em>
To get the union of two sets of numbers, all you do is combine the numbers from least to greatest. If a number repeats in the 2 sets, you only put it once.
Hi there!
We can find the area of a triangle with the formula:

Filling in this formula gives us the following answers.
Triangle 1

Triangle 2

Triangle 3
<em>i think it's just simply</em> y - 7 <em>?</em>