If 8 – i is the sum of two complex numbers, and one of the binomials is 7 – 2i, which represents the other binomial?

Which expression gives the area of the triangle shown below

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

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.