Find all the square number that are greater then 20 but less then 50

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

If chord ab is congruent to chord cd, then what must be true about ef and eg?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m