3x=y
X+Y=20
5=x and 15=y are the answer. You can use elimination or substitution or guess and check!
Answer:
1 999 000
Step-by-step explanation:
Formula:

………………………………………
Then




Multiple and add
Step-by-step explanation:
For all of them you multiple 1 and add the inherent that's what area and perimter means
fg^3 / g^3f = 1
f^4 / f*f*f*f = f^4 / f^4 = 1
f^2g^3 / f^3g^2 = g/f
f*f/f^2 = f^2 / f^2 = 1
Answer:
f^2g^3 / f^3g^2