Answer:
<em>290.5 square miles</em>
Step-by-step explanation:
Consider splitting this figure into two mini rectangles and a triangle, each of given lengths;

<em>Solution; 290.5 square miles</em>
304.8 centimeters is the answer to this question.
Part A. 615.44
Part B. 78.5
Answer:
what
Step-by-step explanation:
what
P=2(L+W)
l=x+7
w=x
P=2(x+7+x)
P=2(2x+7)
P=4x+14
hast to be greater than 154
P>154
4x+14>154
minus 14 both sides
4x>140
divide 4
x>35