First, draw a picture. I'm going to try to do this on here... we'll see how it goes.
x__________________________________Treasure
l
Castle Rock
So, we have a triangle with sides x, 2x+6, and 2x+4. From there, you can use the Pythagorean theorem to solve...
3/11/2013

A P.

0 Votes
Are you trying to expand this? If so, FOIL it. First, Outside, Inside, Last.
(x3)(x+5)
FIRST  x^2
OUTSIDE  15
INSIDE  3x
LAST  5x
Add them all up  x^2 3x+5x15, and then simplify to x^2+2x15.
3/10/2013

A P.

1 Vote
To graph this, do a Ttable. That's the easiest way. Do a Ttable with several values, and based on that, you can determine if it is growth or decay.
3/9/2013

A P.

0 Votes
PEMDAS  parentheses, exponents, multiplication/division, addition/subtraction.
3+(3*2)+(12/3)
3+6+4 = 13
A = 252 sq. ft = l*w
2l + 2w = 66, 2(l+w) = 66, so l+w = 33
w = 252/l
l+(252/l) = 33
l^2 + 252 = 33l
l^2  33l  252 = 0
You're at a quadriatic equation, which you can solve. You will get two answers  toss out the unreasonable one (hint  negative answer,...
2/3/2013

A P.

0 Votes