The expression (8-3)^2-(5-2)^2 is equivalent to what numerical expression

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount