147 is equivalent to 1.47 grams
Answer:

Step-by-step explanation:
Taking any two points, say (0,-3) and (2,-4), we can find the slope using the formula
, which gives
.
From the graph, we can see the y-intercept is
, so the equation of the line is
.
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Hope this helps.
The unknown vertex is on the perpendicular bisector of the opposite side. So the x coordinate is the same as that of the midpoint, x=(18+52)/2=35.