Two similar rectangles have a scale factor of 2:4. The perimeter of the large rectangle is 80 meters. Find the perimeter of the small rectangle.

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)

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

The tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree