traffic signals at three diffrent crossings on a road change after wvery 10 minutes, 15 minutes and 20 minutes,, respectively. If they change together at 9 a. m first, when will they change together again​

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )

Find the values of the variables and the lengths of the sides of this kite.

At a cost of 200, your club bought 175 frisbees to sell at the pep rally. you plan on selling them for $5 each. what is the domain of the function?