A:). because if you subtract on x+2y=14 from x+3y=18 you get y=4 and letter A is the only answer with positive 4 in the y coordinate (x,y)
Answer:the first one is d and the third one is 65% and I think the second one is 5 hours
Step-by-step explanation:
(PLZ READ )all you have to do to get the answer for the first one is divide for example on D it says 1 and then 5 and 2 and 10 first you divide 1 by 5 then 2 by ten and if they ALL have the same answer then they are proportional even if one does not have the same as All the rest it is not proportional.
and for the third one you can search it up
Answer:
the common factor of all the numbers is 5
The first cube is 12, the second one is 10. Just do length times width times height.
Answer:
yes.
Step-by-step explanation:
Because if you buy a re-usable water bottle you wont have to keep buying more water bottles