Relationships among people are
a. not influenced by people's ideas and attitudes.
b. one of two types—social or working.
c. something that must be maintained to stay healthy and strong.
d. usually simple and easy to understand.

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.