Answer:
20 is the longer piece, 9 is the shorter piece
Step-by-step explanation:
9*2=18
18+2=20
20+9=29
Answer:

Step-by-step explanation:
Given expression:

To evaluate the expression.
Solution.
The values are
Let
-----------1
Multiplying 10 both sides.
----------2
Subtracting 1 from 2.

- 
-------------------------------------------

Dividing both sides by 9.



Let 
Multiplying both sides by 100
------------3
Multiplying 1000 both sides.
----------4
Subtracting 3 from 4.

- 
-------------------------------------------

Dividing both sides by 900.


So, we can evaluate the given expression as:
⇒ 
⇒
⇒ 
Taking LCD = 900
⇒ 
⇒ 
Adding numerators.
⇒ 
⇒ 
⇒
(Answer)
Answer:
D
Step-by-step explanation:
If the scale is 1 centimeter per 8 miles, and there is a distance of 51.5 centimeters on the map, what you have to do is multiply 51.5 and 8
51.5 times 8 is 412.
The actual distance is <u>412 miles</u>