Answer:
the answer would probably be 4x6
Step-by-step explanation:
because the 2 side would happen twice the same for 3.
3 * x = 4y (from the question)
X+y = 21 (from the question)
3(21-y) = 4y (sub equation 2 in equation 1)
63-3y = 4y
Y=9 (now you sub the 9 instead of y in any of the equations and solve for x)
X=21-y = 21-9 = 12
Hope it helps, the logic is sound just go over the math.
It is moving away from earth.
explanation: when an object moves away from us the light shifted to the red end of the spectrum as its wavelengths get longer
Answer:
number 2. y=3/4x
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
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