To calculate the area of a rectangle, multiply two sides that are perpendicular to each other. To calculate the area of a right triangle, multiply two perpendicular sides and divide by two. If the triangular pieces aren't right triangles, cut the triangle into two right triangles and add the sq footage together.

31P is stable with 16 neutrons.

Looks like a wart. But to be certain you should go to a dermatologist.

Goldfish are easy to care for. Just change water if not filters at least once per week. If you have chlorinated water you will need to use a chlorine remover chemical which can be purchased in pet stores which carry fish supplies. Or you can fill up a container and let sit for a few … Read more

Sounds like the dog has fleas to me. Fleas will crawl in and out of a dogs rear end, especially during bathing. I would bath the dog with Dawn Dishwashing soap and use a once per month flea and tick preventive like Advantage.