Do you know how do this because i need ?

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

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?

Five cds, which is 1/8 of lisa's collection, were gifts. how many were not gifts? explain: