Is 0.54 a rational number? why or why not?

no, it is not a fraction or a ratio.
no, it is an irrational number.
yes, it is a repeating decimal.
yes, it is a terminating decimal.

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work:

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?