A cell phone company offers two different monthly text-messaging plans as shown in the table below. For what number of text messages will both plans cost the same? Fee per Messaging Plan Monthly Fee Message Plan A $35.00 monthly $0.10 per message Plan B $18.00 monthly $0.30 per message

The value √10 and √15 are plotted on the number line

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%