Multiplying a number by -1 makes the number a negative version of itself. For example, if you were to multiply 3 by -1, you would end up getting a product of -3.
First subtract 7 from 31. Then divide that number by 6. You should get 4 as your answer
Answer:
D) 8.1 m
Step-by-step explanation:
Area of a circle is pi r^2
