Answer:
I think complementary angles
B, because nothing repeats.
<h3>
Answer: 8a + 7b + 2c</h3>
Work Shown:
(11a - 2b + 7c) - (3a - 9b + 5c)
11a - 2b + 7c - 3a + 9b - 5c ... see note below
(11a-3a) + (-2b+9b) + (7c-5c)
8a + 7b + 2c
note: don't forget to distribute the negative through to every term inside the parenthesis
Answer: 0.4
Step-by-step explanation:
