There will be 175 guests at a wedding. Instead of a wedding cake, the bride wants to serve cheesecake. If each cheesecake serves 12 people, how many should she order?

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Can someone me with my hwplz(only the circled ones)

which  best  describes the transformation from the graph of  f(x) =  x2  to the graph of  f(x) = (x  – 3)2  – 1?   left 3 units, down 1 unitleft 3 units, up 1 unitright 3 units, down 1 unit  right 3 units, up 1 unit