B this answer is 4 it’s correct
<span>Let be the length, and be the width.
If the length is 1.6 times the width, then
If the sum of the length and with (in feet) is 130, then
</span><span>Substituting in the equation above, the expression for , we get
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Ten, substituting the value found for in we find
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The two equations we set up at the start form a system of linear equations:
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Yes he has enough index cards for all students
I do believe that the answer to your question is 60%
Answer:
(x+12)(x+12)-x^2
x^2 + 2(12)(x)+12^2-x^
=24x+144
Step-by-step explanation: