Six boxes are stacked one on top of the other. What is the total height of the boxes when they are stacked if each box is 423cm. in height?

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)

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40

The area of a circle is equal to 1 dm². find the radius of the circle.