Answer:
143
Step-by-step explanation:
90-53=37
180-37=143
120+10+5=135
I don't know if all you're supposed to do is add or not... so i may be wrong....
Answer:
i don't know
Step-by-step explanation:
i seriously don't know
Answer:
2*2*3*3*5*5.
Step-by-step explanation:
2) 900
2)450
3)225
3(75
5)25
5)5
= 1
So the prime factors are 2*2*3*3*5*5