Answer:
not sure i it is one of these answers but if so , it d
Step-by-step explanation:
17c because you have to pair the terms
To estimate this, round 53 to 50 and 12 to 10. 50 times 10 will be roughly what? 500. that is the estimated answer. the real answer is 636.
Answer:3
Step-by-step explanation:2 4 6 8 12 16 24