A quadrilateral I believe.
Answer:
Step-by-step explanation:
area =l^2
=7^2
=49 km^2
Answer:
341..
Step-by-step explanation:
i would personally say 341 because 620 multiplied by 55% or .55, as written on a calculator, would be 341.
Answer:
No.
Step-by-step explanation:
To determine if (0,0) is a solution to the inequality, substitute 0 for x and 0 for y and check to see. Thus:

Substitute 0 for x and 0 for y:

Multiply:

Subtract:

So, (0,0) is <em>not</em> a solution.
And we're done!
Answer:
Here is a graph of that equation.
Let me know if you need more help! :)