Answer:
64
Step-by-step explanation:
height of the hypotenuse:

36 : height = height : x
36 : 48 = 48 : x
x= 48^2/36 = 64
B) -15.6,-12.9,-10.2,-7.5,-4.8
This is an arithmetic sequence.
We can make an equation that would help this. X will be the discount rate.
4x=3.60
Now, we need to solve the equation to find what X is.
Let's divide each side by 4.
x=.9
So, we know that the item was sold for 90% of what it was before, meaning that it has a 10% discount.
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Find 425/1700 as a decimal fraction, and then mult. the result by 100%:
425
-------- * 100% = 25% (answer)
1700