Answer:
-5/4
Step-by-step explanation:
change in y/change in x
D would be the correct answer.
Explanation
a^2+b^2=c^2
4^2+3^2=c^2
16+9
25 units
a)
Check the picture below.
b)
volume wise, we know the smaller pyramid is 1/8 th of the whole pyramid, so the volume of the whole pyramid must be 8/8 th.
Now, if we take off 1/8 th of the volume of whole pyramid, what the whole pyramid is left with is 7/8 th of its total volume, and that 7/8 th is the truncated part, because the 1/8 we chopped off from it, is the volume of the tiny pyramid atop.
Now, what's the ratio of the tiny pyramid to the truncated bottom?

The 5 is the number of years that the interest rate is fixed (at the initial amount set when you sign the mortgage contract)
The 1 represents the idea that the interest rate will change every year after the initial 5 years are up.
Answer is b because the veritable is just 1 but the 4 stays the same