If this is an equilateral triangle, we need half of it to find the height which is a leg of a right triangle with a hypotenuse of 15. That means that the base of this half triangle is 7.5. Use Pythagorean's Theorem to fine the height. 
. x = 12.99 or 13
Bret wants to plot a graph to show the prices of different numbers of skateboards. He has to plot the following points:
1 answer:
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