Answer:
13.172
Step-by-step explanation:
Hello!

Rounded the Thousandth is the 3rd place after the decimal
=13.172
Hope this Helps!
H.M.
Answer:
-2,-4
Step-by-step explanation:
Answer:
7x21
Step-by-step explanation:
First, we need to find the length of the pool. Since it is three times as long as it is wide, it is 21 feet long (7 x 3 = 21). That way we can tell that it is 7x21, with a perimeter of 56 feet, and an area of 147 feet squared.
Answer:
and 
Step-by-step explanation:
Let
x -----> the number of polyphonic ringtones
y ----> the number of standard ringtones
we know that
-----> equation A
-----> equation B
Solve the system of equations by substitution
Substitute equation A in equation B and solve for y





Find the value of x
Answer:
4 is 1
5 is 2
Step-by-step explanation:
hope this helps:P