Answer:
25 because 50 minus 25 is 25
The sentence says the speed can be maintained for no more than 1640 feet.
The "no more" means 1640 feet or less ,so the equation would be d is less than or equal to 1640.
The correct equation is A.
Answer:

Step-by-step explanation:
Product of of 3 and b is 3b
At least means greater than or equal too.

Simple, solve straight across, its either 4n or 2n
Answer:
All circles are similar. Since they are all the same shape; they are all alike. It is a property.
Step-by-step explanation: