what is the measure in radians for the center angle of a circle who's radius r = 4 cm and intercepted arc length s = 1.2 ​

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497

The area of a circle is equal to 1 dm². find the radius of the circle.