Answer:36
Step-by-step explanation:
18×2= 36 because if each got halfed, each half would equal one sandwich so there would be 36 sandwiches
Answer:6km
Step-by-step explanation:
Given
when Alice finishes the race Becky is 8km From finishing line
and caitlin 12 km from finishing line.
Suppose t is the time require by Alice to finish the race
and
be the velocity of alice ,becky and caitlin
thus 
thus 
say t' is time required by beckey to complete 8 km thus

therefore for Caitlin

Thus caitlin will cover a distance of 6 km in t' time and 6 km away from finishing.
Answer:
(40)(108) and (40)(33)+(40)(75) hope this help
Step-by-step explanation:
Answer: 23
If x=-1 then (-1) to the power of 3 = -1 and (-1) to the power of 2= 1
3(-1)^3= -3
2(-1)^2= 2
-3+2+25= 23