How much is 3 divided by 649

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

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?