12.8 is the answer you can multiply 3.2 to 4 or you can add 3.2 to 3.2
Answer:
she wills substitute r with 7%.
Step-by-step explanation:
Just did it.
Do u speak English...............
Whenever you have a root of sqrt #, you must have the matching - (or positive).
This is because when you take a square root you get two solutions a positive and a negative.
The answer is LETTER A