Y=-2/3x+300
the y intercept is 300 and the slope is -2/3
y=mx+b
Y=10°
If we're solving for the ninety degree angle, which I seem to doubt, then if 3x=90 then 2x=60 giving a missing total of 30. 30/3 equals 10
Answer: A section of something
Step-by-step explanation: A section of something
Prisms is the answer for the question