In AJKL, k = 4.4 inches, 1 = 8.6 inches and ZJ=129º. Find the length ofj, to the nearest 10th of an inch.

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n