A rectangular window is 4x inches wide and 8x inches long. What is the expression for the distance from one corner of the window to the opposite corner? Give your answer as simplified radical.HURRY

For which rational expression is -2 an excluded value of x?

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?