Margo purchases bulk teas from the warehouse and marks up those prices by 20% for a retail sale. when teas go unsold for more than two months, margo marks down the retail price by 20%. she says that she is breaking even, that is, she is getting the same price for the tea that she paid for it. is she correct ?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

(x-5)1/2+5=2 what is a possible solution?