Which equation correctly uses the value of b to solve for a?
tan(22.6°) = 1
tan(22.6°) = 13
O tan(22.6°) =
a
12
12
O tan(22.6°) =
a

Please help this is for a unit test

The correct answer is b, social stratification is needed for a society to exist. marxist theory regarding social stratification is that due to the differing economic capacities among people in society, a natural separation occurs between those that own the means of production and those that sell their labour in the production chain. 

The answer should be d if i’m wrong i’ll change my answer and fix it for you

Each eukaryotic cell has a plasma membrane, cytoplasm, a nucleus, ribosomes, mitochondria, peroxisomes, and in some, vacuoles; however, there are some striking differences between animal and plant cells.