Simplify: (5/x+2)-(7/x-4)

A: (-2x-34)/((x^2)-2x-8)
B: (-2)/((x^2)-2x-8)
C: (-2x-6)/((x^2)-2x-8)

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period. value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship