Answer:
19
Step-by-step explanation:
just 19
The integer is always negative or a fraction
Answer:
Part 1) The rate is 
Part 2) 
Step-by-step explanation:
Part 1)
we know that
A cyclist rides her bike at a rate of 12 meters per second
Remember that
1 hour=3,600 seconds
1 kilometer=1,000 meters
therefore

Part 2) How many kilometers will the cyclist travel in 3 hours?
using proportion

Answer:
i think is A
Step-by-step explanation:
<span>12.39 - 1.504 - Given subtraction problem that needs to be solve to find out the difference. NO need to round off the answer.
=> </span>12.39 - 1.504 = 10.886
10.886 - is the answer or the difference.