A shop has a sale that offers 20% of all prices. On the final day, the reduce the sale prices of all items by 25%.
Linz buys a radio on the final day.

Work out the overall percentage reduction on the price of the radio.

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.

Write the equation of the circle centered at (10,-2) with radius 2.