HELP MEEE W MATH ILL MARK

With alll of except for the 2 that i did already

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

The first and second steps to solve the equation 3x/5 + 5 = 20.are shown below 3x/5 + 5 - 5 = 20 - 5 3x/5 (5/3) = 15 (5/3)a.addition property of equality b.subtraction property of equalityc.multiplication property of equalityd.division property of equality