Answer:
its d
Step-by-step explanation:
Simple. Mass has to do with weight, so if mass decreases then so will the weight
You want to try and get rid of one of the variables ( x or y) so you would multiply the second equation by 2 which would make the x variable -2x which then when added to the first equation would eliminate the x variable.
Answer: c. Multiply the second equation by 2.
Answer:
2.5
Step-by-step explanation:
She will have 14 toy cars left
13+26+23-10-38=14