Which square root is between 4 and 5?

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

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply