WILL GIVE BRAINLIEST TO WHOEVER SOLVES THE NEXT THREE QUESTIONS CORRECTLY

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

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

41/17 as a decimal rounded to the nearest hundredth