A point is plotted on a number line at 3.7. A second point is plotted at −5.5. What is the length of the line segment joining these points?

Enter your answer as a decimal in the box.

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?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.