Length times width times height gives you the volume of things
500 - 116 = 384 left to collect
384 divided into 3 weeks = 128
They must collect $128 per week in order to reach their goal of $500.
D.
f(x) can be written as (x+2)(x-2)(x-1)
by using difference of two squares to expand x^2 - 4 whch yields 3 x intercepts
similarly, k(x) can be written as
x(x+5)(x-5) which also yields 3
x intercepts (0,-5, and 5)
I'm assuming you meant to write 8^(-2) or 
where the -2 is the exponent over the 8.
If my assumption is correct, then we use the rule 
So,
<h3>Answer: Choice D. 1/64</h3>
