How do the mean and median of the data set changes if the value of 45 is removed from both sets

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)