Answer:
89
Step-by-step explanation:

we evaluate when t=2

so it's 89 feet
Express in simplest a+bi form: Square root of 1b + Square root of -1b

Lets simplify 
We know 

We cannot simplify 


So a + ib form is 
By just changing the x and numbers you can solve it:
-4x=-8 => x=2
X + y = 85
2x + 4y = 218
x = 85 - y
<span>2(85 - y) + 4y = 218 </span>
<span>170 - 2y + 4y = 218 </span>
<span>170 + 2y = 218 </span>
<span>2y = 48 </span>
<span>y = 24 </span>
<span>x = 61</span>
Let's look at the equation:
0.243x=117.369
Divide each side by 0.243.
X=483
So, the number is 483.