Answer:
For the first one the answer is:
<K = 31°
Sorry I don't know the second one.
Answer: -3/8
Step-by-step explanation:
The formula of a slope:

We have the points (look at the picture) (0, 1) and (-2, -2). Substitute:

Answer:
x=2
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.