Answer:

Step-by-step explanation:
The Pythagorean Theorem is used to find a missing side length in a right triangle, and the formula
is used to find the missing side, assuming a and b are legs, while c is the hypotenuse.
If you times 39.99 by 0.20 (20%) then you get your answer of $7.99
Answer:
0
Step-by-step explanation:
+25 for the first attempt but -25 for the second
Y is -2.08
Hope that helps!!!
Answer:
45
Step-by-step explanation:
Use khan acedaemy