true because integers are all positive numbers, their opposites (negatives), and zero
Answer:
Ok so its -3;3
Step-by-step explanation:
b. 7+21
If you do 1+3=4 and then 4 times 7 that equals 28. When you do 7+21 that equals 28 too. So b is the answer
210.53
here
hope it helps
