What is the equation of this line?
y=−1/2x−2
y=−2x−2
y=1/2x−2
y=2x−2

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Find the distance between (7,-6) and (-3,-9)

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)