Let f(x) = 12 over the quantity of 4 x + 2. find f(−1).

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Why is causation so much more difficult to prove than correlation?

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.