Mọi người giúp em giải câu 2 bài 1 với ạ

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?

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units