Acircle has a radius of 13in . find the radian measure of the central angle ? that intercepts an arc of length 15in

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

Sole the equation 6n + 9 = -3n - 21 - 6 for n

Acompany had forty one employees and ordered nine hundred eighty uniforms for them. if they wanted to give each employees the same number of uniforms, how many more uniforms should they order so they don't have any extra