What is the completely simplified equivalent of 2/(5+i)?
a. (5-i)/12
b. (5+i)/12
c. (5-i)/13
d. (5+i)/13

explain how you got your answer too!

What is the correct decimal form of 12%

What is the perimeter of a rectangle if the length is 5 and the width is x?

There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?