Your utility company charges 13 cents per kilowatt-hour of electricity. what is the daily cost of keeping lit a 75 watt light bulb for 12 hours each day? how much will you save in a year if you replace the bulb with an led bulb that provides the same amount of light using only 15 watts of power?

The solution set for 5v2 – 125 = 0 is

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.