A pizzeria is 11 blocks due east from the town center. Emily is 4 blocks away from the pizzeria. Which statement could correctly describe Emily’s location?
a. Emily is 4 blocks due east from the town center.
b. Emily is 7 blocks due east from the town center.
c. Emily is 7 blocks due west from the town center.
d. Emily is 11 blocks due west from the town center.