The rule for being the nth item in a certain sequence is n(n+1)/2. what is the 4th term in this sequence ? a.) 4
b.)10
c.)16
d.)20​

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Add the fractions and simplify 1/2+ 1/3

Evan walked 5/8 mile to his friends house.then together they walked 7/12 mile to the movie theatre.which pair of fraction can evan use to find how far he walked in all?