For what values is the statement true? sin(x+20)°=cos(y−10)°

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room