A plot of land is valued at $1800. Land tax is charged the rate of $0.70. What is total amount of tax to be paid for the land?

One positive number is 9 more than twice another. if their product is 95, find the numbers

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

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)