CalTheGreat

Hint:

$x+\frac{4}{x}+5=x-\frac{5}{2}x$

$\frac{4}{x}+\frac{5}{2}x=-5$

*Gasp* this one is not easy.

Beginning with (a-b)(b-c)(c-a) is correct.

That will get us (ab-ac-b^2+bc)(c-a) which is ab^2-a^2b-ac^2-b^2c+bc^2.

And then we can see that, ab^2-a^2b-ac^2-b^2c+bc^2 times -(a+b+c) will get us ab^3-a^3b+bc^3-b^3c+ca^3-c^3a.

So, we combine this to the factor we already got: (a-b)(b-c)(c-a) and get -(a+b+c)(a-b)(b-c)(c-a), which is the same as -(a-b)(b-c)(c-a)(a+b+c)

Love it!

Paint fumes gib me asthma attacks 0.0

Great! Then I'm pretty sure 300% would be right.

0.6x=22

x=22/0.6=36 2/3

36 2/3 times 0.45 is 16.5

The question title says 120 is what percent of 40. The question says 120% is what percent of 40. Weird...

120/40=3

300%

You mean 120 is what perfect of 40? In the question it says 120%

The vaccine has not been approved for kids yet, so unfortunately 12-year-old Cal will not be getting the vaccine anytime soon.