Answer:
-54
Step-by-step explanation:

Multiply 8 by -9 and 6 by -3

Subtract
Hope this helps
plz mark brainliest
Add your savings amount together to get the total
The Pythagorean Theorum formula is a(squared) + b(squared)= c(squared). If you plug in the numbers, the equation is 39(squared) + 80(squared)= c(squared). That simplifies to 1521+6400=c(squared). Adding results in 7921=c(squared). Finally, when you take the square root of both sides, you are left with 89=c (aka the hypotenuse)
The situation would be an example of replication because the company is trying to find out and replicate results that would occur in the general population.