Im not smart im not that sure of my answer but 23.3
![S\frac{O}{H} C\frac{A}{H} T\frac{O}{A}](https://tex.z-dn.net/?f=S%5Cfrac%7BO%7D%7BH%7D%20C%5Cfrac%7BA%7D%7BH%7D%20T%5Cfrac%7BO%7D%7BA%7D)
![Sin=\frac{Opposite}{Hypotenuse} Cos=\frac{Adjacent}{Hypotenuse} Tan=\frac{Opposite}{Adjacent}](https://tex.z-dn.net/?f=Sin%3D%5Cfrac%7BOpposite%7D%7BHypotenuse%7D%20Cos%3D%5Cfrac%7BAdjacent%7D%7BHypotenuse%7D%20Tan%3D%5Cfrac%7BOpposite%7D%7BAdjacent%7D)
7) You have the opposite. You need the adjacent.
![Tan=\frac{Opposite}{Adjacent}](https://tex.z-dn.net/?f=Tan%3D%5Cfrac%7BOpposite%7D%7BAdjacent%7D)
![Tan57=\frac{12}{x}](https://tex.z-dn.net/?f=Tan57%3D%5Cfrac%7B12%7D%7Bx%7D)
![x=\frac{12}{Tan57}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B12%7D%7BTan57%7D)
x = 7.79289... =
<h2>7.8</h2><h2 />
8) You have the hypotenuse. You need the Opposite.
![Sin=\frac{x}{Hypotenuse}](https://tex.z-dn.net/?f=Sin%3D%5Cfrac%7Bx%7D%7BHypotenuse%7D)
![Sin37=\frac{x}{13}](https://tex.z-dn.net/?f=Sin37%3D%5Cfrac%7Bx%7D%7B13%7D)
x = sin37 × 13
x = 7.8235... =
<h2>7.8</h2><h2 />
9) You have the hypotenuse. You need the opposite.
![Sin=\frac{x}{Hypotenuse}](https://tex.z-dn.net/?f=Sin%3D%5Cfrac%7Bx%7D%7BHypotenuse%7D)
![Sin59=\frac{x}{11}](https://tex.z-dn.net/?f=Sin59%3D%5Cfrac%7Bx%7D%7B11%7D)
x = sin59 × 11
x = 9.4288.... =
<h2>9.4</h2><h2 />
10) You have the hypotenuse. You need the opposite.
![Sin=\frac{x}{Hypotenuse}](https://tex.z-dn.net/?f=Sin%3D%5Cfrac%7Bx%7D%7BHypotenuse%7D)
![Sin53=\frac{x}{11}](https://tex.z-dn.net/?f=Sin53%3D%5Cfrac%7Bx%7D%7B11%7D)
x = sin53 × 11
x = 8.7459.... =
<h2>8.7</h2>
2y -3 >-1
2y > 2
y > 1
OR
1 > Y
Y < 1
Since it is only one, D is the correct answer
<em> </em><em>The</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>0</em><em>.</em><em>7</em><em>5</em><em>.</em><em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em><em>.</em>
B. Lost 850 ft
800-450= 350
1200-350=850
I hope I helped :D