Answer:
8.892
Step-by-step explanation:
15-6.108= 8.892
9...
75 + 6 = 81
The square root of 81 = 9
Answer:
a. 
Step-by-step explanation:
The given equation is;

To solve by the x-intercept method we need to graph the corresponding function using a graphing calculator or software.
The corresponding function is

The solution to
is where the graph touches the x-axis.
We can see from the graph that; the x-intercepts are;
(-1,0),(3,0) and (6,0).
Therefore the real solutions are:

If the ratio is 14 childen to every 5 teachers, and there are thirty teachers... there are 84 children. hope I could help!
I believe the answer is D