Answer:
you still need help I can help
18= +5+x
x=3
If you do 3•5, you get 15.
Then do 3+15, you get 18.
Answer:
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Step-by-step explanation:
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Answer:
The expression that calculates the speed in meters per second of an object that travels a distance of 100 m every 20 s is 
Step-by-step explanation:
We are given:
Distance = 100 m
Time = 20 s
We need to find:
Speed
The formula used is: 
Putting values and finding the expression

So, the expression that calculates the speed in meters per second of an object that travels a distance of 100 m every 20 s is 
<em>Note: Kindly recheck your options, As option B is not written correctly.</em>