Ashley, tom, and pablo sent a total of 90 text messages over their cell phones during the weekend. pablo sent 6 fewer messages than ashley. tom sent 2 times as many messages as pablo. how many messages did they each send?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

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

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x