I don't think you can find x in this case. Cosine can only go as low as -1 and as high as 1. Since 2.3 is more than 1, the answer does not exist
Step-by-step explanation:
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The formula of a slope:

We have the points (-8, -20) and (5, 2). Substitute:

Answer: The slope is 
Answer:
1. -1z-3
2. 4x+2
3. -y+11
4. 7a-22
Step-by-step explanation:
Not too sure about the last one
Answer:
acute
right angle or obtuse
obtuse
Step-by-step explanation:
those are the answers