In two to three sentences, explain the differences between an operating system and an operating environment.

When creating a presentation in libre office impress, where does the editing of slides take place? a. the slides panel b. the center panel c. the tasks panel, under the masters pages tab d. the tasks panel, under the layouts tab

For positive constants a and b, the force between two atoms in a molecule is given f(r) = −a r2 + b r3 , where r > 0 is the distance between the atoms. note: a and b are upper case letters. (a) find f '(r) = (b) find the critical point for f(r). r = (c) find f ''(r) = (d) find the value of r so that f ''(r) = 0.

The keyboard usually has six rows of keys. which of the following is not one of the key group categories? letter keys number keys control keys graphic keys