During a seven-day period, the temperature dropped 49°F. Write a division expression to represent the change. Then determine the average daily change in the temperature.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.