Question

please answer fast
any 2-4 questions​

Answer 1

nxhicjcxuigxfuxigcigzxgixifxig

Answer 2

24.  -4,+(-1),+2+.......+X=437 Where n=3   back to the general formula 437=n÷2(2A+(n-1)d)replace the d=3  while A=-4  Thus 874=3n^2-11n      3n^2-11n-874=0  hence ans∴x=19(n has just replaced x)