Evaluate exactly in radians: arctan(1/sqrt( show solution w/ explanation.

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

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis. y = 7ex, y = 7e^-x, x = 1; about the y-axis