Answer:
28 ft
Step-by-step explanation:
Let longer side of rectangle be
and the shorter side be
, thus we can write the ratio:

<em>Now putting 21 into S, we solve for L:</em>

Hence, length of longer side is 28 ft.
Answer:

Step-by-step explanation:
Given
See attachment
Required
Determine the slope of the line
From the attachment, we have the following points

and

The slope m is then calculated using:

Substitute values for the x's and y's




<em>Hence, the slope is 0</em>
Answer:
8n^8
Step-by-step explanation:
n3*2*n5*4
=8*n8
8n^8
Answer:
y = 1/4 = 0.250.
Step-by-step explanation:
0.7 is rounded to the tenth place