Question

from the following data obtain the two regression equations​

Answer 1

your question is incomplete

Answer 2

You might also recognize the equation as the slope formula. The equation has the form Y= a + bX, where Y is the dependent variable (that's the variable that goes on the Y axis), X is the independent variable (i.e. it is plotted on the X axis), b is the slope of the line and a is the y-intercept.