Yes.
y represents the temperature.
x represents the number of hours past 8:00am.
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All sides are equal in an equilateral triangle and the perpendicular bisects the side too.
so BC will be bisected and the segments be 5 each.
you can use Pythagoras theorem to find the altitude length, hypotenuse will be one side of the triangle.

$h^2=100-25=75$
$h=\sqrt{75}=5\sqrt3$
2/15 sorry if it’s wrong all I did was just divide both of them
Answer:
B) 0:15=0
Step-by-step explanation: