Answer:
15.7
Step-by-step explanation:
'6' is in the tenths place in 15.6895. The digit following this '6' is '8,' which requires rounding up this '6' to '7.'
Thus, to the nearest tenth, we get 15.7.
Answer:
A. -24
Step-by-step explanation:
we know that
A relationship between two variables, x, and y, represent a directly or proportional variation if it can be expressed in the form
or 
In this problem we have
For x=-3, y=12
Find the value of the constant of proportionality k

substitute the given values

so
The linear equation is equal to

what is the value of y when x=6?
substitute the value of x in the linear equation and solve for y

-1.6 - 0.3
I hope this hepled you and that the answer is correct