Answer:
The choice third ; a=9 , c= 18
Step-by-step explanation:


To estimate, round 3102 to 3100
round 1-10 to 2500
1-70 to 2100
1-80 to 2900
2900+2100+2500+3100=10600mi
Yes it is reasonable because you add and subtract numbers when estimating, however it is not exact
Answer:
33
Step-by-step explanation:
it is 33 if you get it wrong than dab
Answer:
Can you retake the picture please, of the entire Problem?
Step-by-step explanation:
Answer:
Scalene and acute
Step-by-step explanation: