Tessa claims that a rotation of 90° clockwise about the center of some polygons will carry the polygon onto itself. select two polygons that support tessa's claim.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

If i had 1234 apples and 1 banana what is the total amount

Ineed to know how to write question one in mathematical terms