a. Solve x+1=x+1 . b. If you simplify an equation and get 0​=0, what can you conclude about the​ solution(s) of the original​ equation?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

How are sas and sss used to show that two triangles are congruent?

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your