Which statements must be true?
select each correct answer.
cb = ba
xy = 2ca
ab || xz
ca= {1/2yz
cb | xy

Which is an equation for the nth terms of the sequence 12,15,18,21

What situation is an example of an observational study

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.