Answer:

Step-by-step explanation:
Because we are looking for the scale factor of the model to the bridge (model first), the scale factor will be less than one.



Each fraction (
) can be simplified to
. Therefore, the scale factor of the model to the bridge is
.
Answer:
3/32 , 5/16 , 3/8 , 1/2 , 3/4
Step-by-step explanation:
Multiply them to give them all a common denominator of 32
It's 28 5/7. 10 +18 and 2/7 + 3/7
Answer:
x=8
Step-by-step explanation:
Hello!
Whole numbers are closed under addition and multiplication
Integers are closed under addition, subtraction, and multiplication
natural numbers are positive whole integers so they are also closed under addition
The answers are A, B and D
Hope this helps!