<u>Answer:</u>

<u>given:</u>
- adjacent side: 10
- hypotenuse side: 20
<u>using cosine rule:</u>




Answer: 7
Step-by-step explanation: The only pattern in this sequence that I can see is addition by 4. Therefore, the 3rd term is 15, the 2nd is 11, the 1st is 7.
Please consider Brainliest.
100 - 17.01 - 5 - 2 - 3 + 5 + 2 =
100 - 17.01 - 3 =
100 - 20.01 =
$ 79.99 <===