OK lETs TRY THIS AGIAN HELP ASAKP FOR 10 POINTS (+5 i think)/ BRAINELSTtt/AND A o7 FOR RESPecT BEcaUSe WHY NOT./???Xcmg;fb

NUMBER NIne hdghfghhff thnx :]

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?