Rational numbers are any numbers that terminate (the decimal ends somewhere)
The only set that does this is D, since

All other sets have these:

None of these terminate (the decimals goes on forever), so the answer is D
Answer:
C. 134.54
Step-by-step explanation:
b*h = 19.22*7
Answer:
The answer is 35
Step-by-step explanation:
70 divided by 2 is 35 which would be 35 miles per hour which would be your unit rate.