Answer:
Step-by-step explanation:
----------- (1)
-----------(2)
Adding equation (1) and (2)
Substitute y=-4 in equation (1) or (2)
Answer:
42-15=4x+5x
27=9x
27/9=x
x=3
Step-by-step explanation:
Answer:
35 milligrams
Step-by-step explanation:
To get from 12 ounces to 3 ounces, you need to divide by 4.
Do the same with 140 milligrams and you get 140/4=35 milligrams.
Answer:
Length of Sofia's poster: 0.75 m
Length of Rafael's poster: 0.65 m
Difference: 0.75m - 0.65m
= 0.1 m
Hope this is correct
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