Boris can paddle his kayak at a speed of 6 mph in still water. If he can paddle 5 miles upstream in the same amount of time as it takes his to paddle 10 miles downstream, what is the speed of the current?​

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.

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?

15. if the 8% tax on an item amounts to $0.96, what is the final price (tax included) of the item?