Try 90
triangles can be 30:60:90
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
y=-x9-n
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Answer: -28 degrees Celsius
Step-by-step explanation:
-20 - 8 = -28
-3x4.5=13.5. 4.5x0.5=2.25
-13.50
+2.25
_____
15.75 pints