The cost of productiong n pairs of shoes is p=15n+360. The shoes cost $75 a pair, which can be represented by c=75n. For how many pairs of shoes does the cost of production equal the sale? a 450
b 60
c 6

Which of these tables represents a non-linear function?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

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)