Question

answer those who know plz ​

Answer 1

Step-by-step explanation:

4) x + y = 40

x - y = 6

add both equations, we get,

2x = 46 => x = 23

23 - y = 6 => y = 17 option A

3) zero option B

6) 7x - 3 = 0 => x = 3/7 => 3/7 is the zero of the polynomial

Answer 2

Answer:

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