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:
L=35cm
Step-by-step explanation:
Perimeter is 2(L+w)
156cm=2*(43+L)
L=35cm
Answer:
the answer is c, hope this helps
Answer:
1
Step-by-step explanation:





Answer:
This is my answer
2x(x-4)
Step-by-step explanation:
2x(x-4)