You estimate that a jar contains 68 marbles. the actual number is 60. find the percent error. round your answer to the nearest tenth.

What is the best reason for jacinta to have a savings account in addition to a checking account

Need asap. solve for the following inequality

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)