Describe the algorithm for synthetic division

Avery has saved $295 to spend on christmas gifts for 11 people. which is the best estimate of the amount he can spend for each person?

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b