Answer:
8 1/4
Step-by-step explanation:
Solution by Formulas
converting mixed numbers to fractions, our initial equation becomes,
−11 -9
3×4
Applying the fractions formula for multiplication,
−11×−9
3×4
=99
12
Simplifying 99/12, the answer is
=814
C i believe because 180 is the overall degree and 50+28=78 and 180-78=102
Mathematics can be tricky so precise definitions are important. Without them there can be confusion which more often then not will generate a wrong answer. With clear precise definitions it is easier to understand the topic. Therefore, it is easier to get the correct answer.