Answer:
Step-by-step explanation:
Area of the shaded region = Area of triangle with base 40 km and height 27 km - Area of circle with radius (12/2) 6 km.

13/3= 4.25 because.....
13-12 is 1.
SO:
When you have your problem set up, you have 4, and then a 1 left over. You turn it into a fraction.
Make 4 and 1/4, then put it as a mixed number, 4 1/4
or you can keep dividing by adding a decimal then zeroes and keep solving until you get 4.25 which is equivalent to 4 1/4
Both lines intersect at the point
(-0.5, 0.5)
Step-by-step explanation:
oyasumi..................
I'm not sure which numbers you are referring to, but 3 has the same absolute value as -3, and 7 has the same absolute value as -7, just for an example.