Sunglass for $44.95 is on sale for 40% off the original price . find the amount of discount off and new sale price

If the measure of xyz is 81 what is the measure of yz

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

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