?×7/2=3
what does ? equal

Find the solutions for a triangle with a =16, c =12, and b = 63º

What is the 12th term of b(n)=-4-2(n-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)