(PLEASE HELP) Which of these lengths CANNOT represent the sides of a triangle?

A.32,34,60
B.13,20,27
C.28,30,58
D.2,4,5

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale