Answer: C
Step-by-step explanation: They are never the same
Answer:
x=-5
Step-by-step explanation:

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9514 1404 393
Answer:
d. 14 -3x
Step-by-step explanation:
If you want to substitute for y in the second equation, you must use the first equation to find an expression for y.
3x +y = 14 . . . . . . first equation
y = 14 -3x . . . . . . subtract 3x from both sides
This gives you the expression for y that you want to use for substitution. It matches the expression of choice D.
y = 14 -3x . . . . matches D
300, because 8x20=160 so 1 ounces= 20 calories
15x20=300
Answer:
area 4.5
Step-by-step explanation:
C has the largest Area. It's area is 4.5
hope this helps