Since x is the x-intercepts, that means x'=x" =6 or in other word the discriminante ( Δ = b² 4ac) =0. Answer is A
C Because the other answers 2 or1 pound that's more than the amount in the question asks for
1) he is not reasonable because pounds per feet would mean you would do 7.3/14.6 which is a decimal
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Answer:

Step-by-step explanation:
You can start by dividing both sides by 2, getting
.