Answer:
16
Step-by-step explanation:
i think
For A B and C, you just plug in the given number
A

B

C

And for D, you set the equation to 26 and solve for n

I had to use x instead of n, but for D n=7. :)
The correct answer to this equation is C
Answer:
3x^2 + 2x - 3y - 10
Step-by-step explanation:
7y + 2x - 10y +3x^2 - 10x
I like to put it in order starting with exponents like this
3x^2 + 2x - 10x + 7y - 10y
then combine like terms
3x^2 - 8x - 3y
that is as simplified as it gets.
Answer:
a reasonable estimate is $1500
Step-by-step explanation:
16 + 12 is about 30
$53 is about $50
30 x 50 = 1500