Answer:
The rules for adding and subtracting signed decimals are almost the same as the rules for adding and subtracting integers. When dealing with decimals, you need to be especially aware that your decimal points are lined up so that you do not accidentally add or subtract in the wrong place.
18.6/930= 0.02
2.2/13.75=0.16
Answer:
||w|| = 6
Step-by-step explanation:
||w|| = modulus or magnitude of vector w
Since formula to get the modulus of any vector = 
Vector w = <-6, 0>
x-component of vector w = (-6)
y-component of vector w = 0
Therefore, ||w|| = 
= 6
The equation that can be used to solve this is:

Further explanation:
Let

The equation for the perimeter will be:

Given
P = 16 feet
L = 4 feet
W = ?
Putting the values in the perimeter formula

The equation that can be used to solve this is:

Keywords: Periemter of rectangle, linear equation
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Answer:
The fourth one
Step-by-step explanation:
Just cause its right