Nicole uses 3 cups of vinegar and her salad dressing recipe how much vinegar with nicole used to make 3/4 of recipe

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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)

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.