A garden has five light poles and a party planner wants to connect each light pole directly to each of the other poles with a string of light for an outdoor party. The expression n(-1)/2 where n represents the number of poles, can be used to determine how many strings are needed. How may strings are needed to connect the five poles?

a) 20 B) 12 C) 15 D) 10

i belive those are the ones that are under 90 degreese.

hello i am doing good for you that it's summer in your country or state ; )

btw in my country we just have sun and rain as (because i live in the caribbean lol)

also, thx a lot for the points : )

we can't see all full 4 options, but if this is the full option, than the very left one is correct:

-2/5 * -3 3/4

remake the question, adding a picture of all the question, or write down the full left and right answers.

i love jeffery and believe there is truth in tati and james' answers

step-by-step explanation:

yes i have heard the tea

i believe both

no, tati didnt over exaggerate

james might might idk and tbh dont rly care