If A = (-2,-4) and B = (-8, 4), what is the length of AB?

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

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.