Which expressions can be used to calculate the circumference of a circle? Select two choices. Pi X Diameter
PI X Radius
Pi x Radius x Radius
2 x Pi x Radius
2 x Pi x Diameter

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1