Let a=total area of five circles of radius r, and let b= total area of three circles of radius s. if a=b, then r/s=
a) 3/5
b) ✔️3/✔️5
c) 3 pi/5
d) ✔️3pi/✔️5
e) ✔️3✔️5pi

Solve the equation by completing the square. x^2+2x=17

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

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?