It takes one day for a builder to dig a 2m by 2m by 2m hole. How long does it take 3 builders working at the same rate to dig a 4m by 4m by 4m hole? (please include the solution)

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

At the movie theatre, child admission is $5.20 and adult admission is $9.70. on sunday three time as many adult tickets as child tickets were sold, for a total sales of $788.90. how many child tickets were sold that day?