Find the Length of the Arc
r= 13.2 inches, 0 = 60°, s = ?

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?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?