An addition 3 cars are attached to the train during rush hour. how many cars could the train have now? list the possible numbers. tell whether each number is prime or composite. explain how you know.

The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

Which statement explains the relationship between corresponding terms in the table?