Hello There
Hello There thanked Virginia Lou's answer

Dear Hello There,

For problem 7, I believe that x = -11

However, the notation to me seems not really clear; do you think that in this problem, that QR = x + 18 ?

If so, then you start by just writing down everything you know:

PS = PQ + QR + RS, and QR = x + … Read more

Hello There
Hello There thanked Tom Jackson's answer

I like Quizzer XSH's youtube link.

Here's another resource you might want to peruse:

"It is well known that when an object, such as a lump of metal, is heated, it glows; first a dull red, then as it becomes hotter, a brighter red, then bright orange, then a brilliant white. Although the brightness varies from … Read more

Hello There
Hello There thanked Bruno FiftySix's answer

The more light an object absorbs the more heat is absorved...because light is energy.

Black absorbs the most heat because all wavelengths of light are absorbed and nothing is reflected. (black is the absence of all colors)

Red reflects the energy from the red wavelengths away and therefore will not get as hot as black.

White would be … Read more

Hello There
Hello There thanked Phineous J. Whoopee's answer

There was an episode of The Andy Griffith show where a man was selling medicine out of a truck, Aunt Bee bought some, but they found out later it was mostly alcohol and all the women who bought it got drunk.