Christina sold 35 pairs of gloves for $840. Each pair cost her $6.22 to make. How much profit did Christina make.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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.

What is the value of p in the equation y^ = -4x?