Answer:
3x−y=5;x+2y=4
x=2 and y=1
Step-by-step explanation:
216. All you have to do to find volume is to multiply the numbers. 12 x 18 = 216.
Answer:

Step-by-step explanation:

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G(-4) =1
i hope this helps!
Answer:
QR ≈ 16.3
Step-by-step explanation:
Since the figures are similar then the ratios of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
57 QR = 926.9 ( divide both sides by 57 )
QR ≈ 16.3 ( to the nearest tenth )