Which of the point-slope equations below are correct for the line that passes through points (-2, -2) and (2, 1)?

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

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?