Can someone me with this? (20 points)

the shaded square is inscribed in the larger square, find the area of the shaded region. (picture of problem is attached)

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.