The weight of an object is equal to 3/4 of its own weight plus 3/4 of a pound. how much does the object weigh

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

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

F(x)=5/6x+3 which of the following is true