DOES ANYONE KNOW WHY OR HAS ANYONE EVER GOT 2000 POINTS TAKEN AWAY FROM THEM OFF THIS APP AND IT SAYS I ONLY ANSWERED ONE QUESTION BUT YET YOU CAN CLEARY SEE I HAD 2000 BECAUSE IT SAYS EXPERT AND I HAVE OVER 100 THANKS LIKE WTH IS GOING ON IM SO CONFUSED

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?