<span>Use the Pythagorean theorem for the right triangle

where

is the hypotenuse of the triangle;

and

are the other two sides.
So,

</span>
<span>A is rational</span>
<span>B is irrational</span>
<span>Product of a and b is irrational.</span>
Divide them like this: 7.42/1.75 = 4.24
Answer:
n=-15
Step-by-step explanation:
5=n/5+8
subtract 8 on both sides
-3=n/5
multiply 5 on both sides
-15=n
5 is Your answer,5 factors into 10 but none of the other choices do