Write an equivalent expression for x+x

What were mkh company's cash flows from (for) operating activities in 20x1? $(180,300) $233,100 $268,200 $279,400?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years