How do I write a formula that expresses delta y in terms of delta x if the equation is y=1.1x+4.04 and the points are (-1.4,2.5) and (3.1,7.45)?

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25