Answer:
Distribute the 3 to the parenthesis, and the -1 to the parenthesis.
This will result to:
3x-9-x+4
2x-5
X + y = 40.....multiply by -4
4x + 6y = 180
-------------------
-4x - 4y = -160 (result of multiplying by -4)
4x + 6y = 180
------------------add
2y = 20
y = 20/2
y = 10 <===
x = 30
Answer:
a
Step-by-step explanation:
dilation means to expand, and the small square is expanding to twice its size, so 2
Answer=19.05% decrease
42 birds 34 birds
___________=__________
100percent x percent
cross multiply
42x=3400
divide both sides by 42
x=80.95 percent
The inventory in 2011 is 80.95% the inventory in 2010
100-80.95=19.05% decrease
Answer:
B
Step-by-step explanation:
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