Which expression is represented by the model? +
-X
+
O X-3
O X+3
O -x-3
O-X+3

first answer gets best marks

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.