Answer:
D
Step-by-step explanation:
a perfect square trinomial is

factorized is

so as you can see option A and B can't be, because they have -49y^2 and it has to be plus
so the other options are C and D
in the trinomial a=4 and b=\pm 7
the roots of a^2 and b^2

so it's option d with b=-7

17+x=57.
So, subtract 17 from both sides
X=40
Y=mx+b
5=0(-6)+b
b=5
So equation
y=0x+5
Or
y=5
35,000 ft - 6,000 ft = 29,000 ft
Answer:
b.
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Step-by-step explanation:
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