Which of the following triangles are right triangles? Select all that apply. answers are in the image

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

Evaluate cos2θ for cosθ = square root of 3/2

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.