Is 0.7 < , >, or = 3/4

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?