What is the first step of the second step to prove that Sn arrow 1+2+3+..+n=n(n+1)/2?

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

How many grams the dog will eat in 3 days?

Venita is sewing new curtains. the table below shows the relationship between the number of stitches in a row and the length ofthe row.sewingnumber of stitches length (cm)51 131532024306what is the relationship between the number of stitches and the length? othe number of stitches istimes the length.o. the number of stitches is 3 times the length.