Solve the following inequality algebraically.
|x+4| ≤ 9

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Find the zeros of each function. f(x) = x^2 + 5x - 6

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)