Dimensions of 12feet by 3feet what is the area of the kitchen counter that carlos will laminate

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

Which of the following statement about pascal's triangle are true?

Which number line represents the solution set for the inequality - x 24?