Solve for x x - 13 4x = 22 a. 1.8 b. 5 c. 7 d. 11.7

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?

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

In the diagram of circle o, what is the measure of zabc?