<span>(2n + 2)(2n – 2)
= (2n)^2 -2^2
= 4n^2 - 4
hope it helps</span>
Answer:
y = 10-2x
Step-by-step explanation:
2x+y=10
y=10-2x
Answer:
The ratio of boys to girls to 5:7
Let the number of boys be 5x
Let the number of girls be 7x
5x = 30
x = 6
Now just plug in 6 for the x in 7x
and number of girls 7 x 6 = 42
Answer: (-2,2), (-8,-1)
Step-by-step explanation:
Answer:
8%
Step-by-step explanation:
0.36/4.50=0.08=8%
