What is the value of y = cos (θ) when θ = 0°?

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Polygon abcd is a rectangle what is the area