PLZ HELP Find cscΘ if sinΘ= and theta is between 180 to 270 THANK U!! (with explanation pls)

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?