Find the sum of the first 18 odd positive integers.

The sum of the first 18 odd positive integers is 324.

Step-by-step explanation:

Given : The first 18 odd positive integers.

To find : The sum of the first 18 odd positive integers?

Solution :

The odd positive integers are 1,3,5,.... forming an Arithmetic sequence .

Where, First term is a=1

Common difference is d=2

Number of terms n=18

The sum of A.P formula is

Substitute the values in the formula,

Therefore, The sum of the first 18 odd positive integers is 324.

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

r = 78539458390583095803458309458039485093485 or just 3

step-by-step explanation: