according to the rate of electricity charge the minimum charge of 20 units is rupees 80 and the cost per unit from 21 units to 250 units is rs 7.30 .how many units were consumed by rs 1248?​

Volume of cylinder with a radius of 8cm and height of 25 cm

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Sole the equation 6n + 9 = -3n - 21 - 6 for n