Ashop has a sale that offers 20% off all prices. on the final day they reduce all the sale prices by 25%. linz buys a radio on the final day. write the overall percentage reduction on the price of the radio.

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Acircle has a circumference of 28.36 units what is the diameter of the circle