Answer:
D
Step-by-step explanation:
The point (2,80) has the input value x = 2.
Substitute x = 2 into each function.

The values of a and b are 4 & 6
GIVEN
1) Females outnumber males by 3 to 2.
2) There are 1770 people in the city.
SOLUTION
Let the number of males be x and the number of females y. Therefore, the total number of people can be written to be:

If there are 3 females for every 2 males, we have that:

We can substitute equation (2) into equation (1) and solve for y:

Dividing both sides by 5, we have

There are 1062 females in the county.
Answer:
∠ADC and ∠EDG are vertical angles