Answer:
a)
Step-by-step explanation:
is approximately 17.8
17² = 289
18² = 324
315 is between 289 and 324
<em>Vertex: </em>
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<em>The vertex is the top point where it curves!</em>
<em>Which is located at: </em>
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<em>Y-intercept: </em>
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<em>The Y-intercept is when a point doesn't move or left or right and just goes up or down!</em>
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Answer:
63.6 square cm
Step-by-step explanation:

Answer:
02a+.03b+.04c=126,
b=a+500,
c=3b
a=300., b=800., c=2400.
Step-by-step explanation:
Answer:
13/3
Step-by-step explanation: