Abag contains 10 red marbles, 15 yellow marbles and 5 green marbles. what is the probability of drawing a red or green marble from the bag?

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?