Answer:

Step-by-step explanation:
<u><em>Given: </em></u>
Distance = S = 18 km
Time = t = 20 min = 20/60 = 0.33 hours
<u><em>Required:</em></u>
Average Speed = <v> = ?
<em><u>Formula:</u></em>
Average Speed = Total Distance Covered / Total Time Taken
<u><em>Solution:</em></u>
A . S = 18 / 0.33
A.S = 54 km/hr
Answer:
7.752
Step-by-step explanation:
Well since the both have the same amount of didgets you can just line up like if it were adding thousands.
5. 1 2 8
2. 6 2 4
_________
So were going to add 8 + 4=12
Then so since it was 12 were just going to put 2 and then add a 1 to out result for 2 + 2
2 + 2=4+ the 1 we have to add since our last question was 10 and above so our answer is 5
Next add 6 + 1=7
Now our last step is to add 5 + 2 which=7
So you answer should look like this.
_________
7. 7 5 2
hope this helps have a great day:)
Answer:

Step-by-step explanation:
Samuel wants at least 15 grams
Let's expand on "at least 15"
It means that Samuel wants no less than 15, but 15 or more
It could be 16, but not 14
To create an inequality, 15 or more can be written as
(x is 15 more more)
The answer is 
Hope this helps :)
Have a nice day!
Answer:
4k^2-2k+4=-4 factor = 2(2k² -k +2) = -4
Step-by-step explanation:
A and b because they both match with the following letters