Sally needs to buy 13 250 mm of edging for her garden. The edging costs $11 per metre. Calculate the total amount Selly will need to pay for the garden edging.

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.