Factor x squared minus 15 x plus 36 all over 5 x minus 60

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

I’m confused on how to work the pie charts

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?