Simplify. 4 10 - 2 15 a) 4 15 b) 2 5 c) 8 15 d) 2 3

What numbers are included in the set of integers? what numbers are not included?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

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?