Answer:
x ≈ 42.5
Step-by-step explanation:
We use tan∅ to solve this:
tanx° = 11/12
x° = 
x = 42.5104°
1/7 is the answer. 4/28 = 1/7 but in the lowest term
Answer:
16.8 + (-18.6)
Step-by-step explanation:
A subtraction symbol and adding a negative are the same
The pattern is multiplying by 3. So it will be: 243, 729