trains leave one of the platforms at a railway station every 15 minutes on a different platform trains leave every 20 minutes. given that a train leaves both of these platforms at 8:10 am what is the next time when these trains will depart both platforms at the same moment?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Use multiples to write two fractions equivalent to 7/9. 14/18, 8/10 6/8, 21/27 10/12, 28/36 14/18, 21/27

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74