<html><head><title>Friday's Problem</title><style type="text/css"> p { margin: 0 0 0 0; font-family: Arial, sans-serif; font-size:10pt; font-weight: normal; font-style: normal; vertical-align: baseline; color: black; text-decoration: none; } div { border-width:0px; border-style: solid; border-color: red; } body { background-color: #fff; } p img { vertical-align: middle; } p b, li b { font-weight : bold; } p i, li i { font-style : italic; } p u, li u { text-decoration : underline; } p so, li so { text-decoration : line-through; } p sub, p sub { font-size : 70%; vertical-align: sub; } p sup, p sup { font-size : 70%; vertical-align: super; } ul { padding-left : 2em; /* for mozilla list marker box */ margin-left : 0; /* for IE list marker box */ } ol { padding-left : 2em; /* for mozilla list marker box */ margin-right : -0.5em; margin-left : 0; /* for IE list marker box */ } p.Style1, li.Style1 /*Normal*/ { margin-left: 0pt; margin-right: 0pt; text-align: left; font-family: 'Arial', sans-serif;; 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top: 291pt; left: 72pt; width: 154.25pt; "><a name="" /><p class="Style1">Knowns | Unknowns</p></div><div id="mc-region-4" style="position: absolute; top: 314.25pt; left: 72pt; width: 45pt; "><a name="" /><img border="0" src=".\projectile_images/IMG0004_8074518.PNG" id="generatedImage4" path=".\projectile_images/IMG0004_8074518.PNG" style="width: 45pt;height: 13.5pt;"></img></div><div id="mc-region-5" style="position: absolute; top: 344.25pt; left: 66pt; width: 47.25pt; "><a name="" /><img border="0" src=".\projectile_images/IMG0005_8074533.PNG" id="generatedImage5" path=".\projectile_images/IMG0005_8074533.PNG" style="width: 47.25pt;height: 27.75pt;"></img></div><div id="mc-region-6" style="position: absolute; top: 380.25pt; left: 66pt; width: 54.75pt; "><a name="" /><img border="0" src=".\projectile_images/IMG0006_8074533.PNG" id="generatedImage6" path=".\projectile_images/IMG0006_8074533.PNG" style="width: 54.75pt;height: 33.75pt;"></img></div><div id="mc-region-7" style="position: absolute; 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top: 555pt; left: 48pt; width: 47pt; "><a name="" /><p class="Style1">time to top</p></div><div id="mc-region-12" style="position: absolute; top: 578.25pt; left: 54pt; width: 54.75pt; "><a name="" /><img border="0" src=".\projectile_images/IMG0011_8074549.PNG" id="generatedImage12" path=".\projectile_images/IMG0011_8074549.PNG" style="width: 54.75pt;height: 27.75pt;"></img></div><div id="mc-region-19" style="position: absolute; top: 628.5pt; left: 60pt; width: 90.75pt; "><a name="" /><img border="0" src=".\projectile_images/IMG0012_8074549.PNG" id="generatedImage19" path=".\projectile_images/IMG0012_8074549.PNG" style="width: 90.75pt;height: 31.5pt;"></img></div><div id="mc-region-20" style="position: absolute; top: 651pt; left: 192pt; width: 61.5pt; "><a name="" /><img border="0" src=".\projectile_images/IMG0013_8074549.PNG" id="generatedImage20" path=".\projectile_images/IMG0013_8074549.PNG" style="width: 61.5pt;height: 16.5pt;"></img></div><div id="mc-region-21" style="position: absolute; 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