Which two points on the number line represent numbers that can be combined to make zero? B and D
A and B
C and D
A and C

How do i do this? i don’t understand

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?