Rowan has 3 pieces of yarn as described below
a red piece of yarn that is 3/4 foot long
a yellow piece of yarn that is 6/8 foot long
a blue piece of yarn that is 4/12 foot long
which number sentence correctly compares the length of these pieces of yarn?

the blue piece of yarn is shorter than both the red yarn which is equal to the yellow piece of yarn:4/12<3/4=6/8

Step-by-step explanation:

5

step-by-step explanation:

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.