2.5 x 2.5 X 2.5 - 1.4 x 1.4 x 1.4÷(2.5) + 2.5 X 1.4 + (1.4)

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

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k