Answer:

Step-by-step explanation:
We see that diagonal AB is also the hypotenuse of a triangle where the other 2 side lengths are 4 and sqrt{45}. Using the Pythagorean theorem, we get that diagonal AB is 
100 - 80 = 20
80 = 72
20 = ?
72 / 80 = 0.9
20 x 0.9 = 180
180 + 72 = 252
This is how your graph should look like
Answer:
There would be an overall 25% decrease
Step-by-step explanation:
Because -75 + 50 = -25
Answer:
5
Step-by-step explanation:
You must have x alone