Answer:
(x+4)(x+4)
Step-by-step explanation:
2x + 3y = 630
x + y = 245 then you want to get rid of x so in the second equation × by -2 and get -2x -2y =-490 subtract this equation from the first to get y=$140 substitute 140 in for y and get x= $105 and 2x=210 and 3y=420 210 +420=630
Answer:
4 is the correct answer
Step-by-step explanation:
|-7| = 7
|3| = 3
7 - 3 = 4
Answer:
{-1, -2, -3, -4}
Step-by-step explanation:
The domain is the set of all x-values.
Answer:
aw dawd awdaw adawd awd a
Step-by-step explanation:aw dawd awd a
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