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Does NASA still use miles instead of kilometers? Problem involving math induction! If m and n are distinct real numbers, prove that (m+2)^2 = (n+2)^2 if and only if x+y=-4? =B y I y is an integer and ≤−4 A constant current of 1A flow in circuit over period of 5s.total charge flowing through circuit over this duration will be.
Expert plz and? 7^(x+1) + 7^x + 7^(x-1) = 399, what is x?