D. The change in the elevators height for every one additional second
Answer:
Step-by-step explanation:
Part A;

Part B ;

The more reasonable one is 1.4m .0.001435 is too small(its not even up to 1)
1/4 is equal to 2/8, and you only add the numerators in fractions, so the answer is 2/8 + 7/8 which is 9/8, or 1 1/8.
Answer:
The answer is b
Step-by-step explanation:
Answer:
23/54
Step-by-step explanation: