<span>Oceanography the others are other studies
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Answer:
45 degrees
Step-by-step explanation:
a right angle is 90 degrees and there is a line splitting it in half equaly. We have to also divide 90 by 2 then which is 45 so 45 degrees.
Answer:
Slope is Zero 0
Step-by-step explanation:
this is because the line is horizontal and therefore has no slope
H + 121 + 31 = 180
H + 152 = 180
H = 180 - 152
H = 28