Assume that adults have IQ scores that are normally distributed with a mean of 96.2 and a standard deviation 18.4. Find the first quartile Upper Q 1, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.)

Ineed with number 17 i don’t get it at alll

The equation m = 19.32v can be used to find the mass m in grams of a pure gold coin with volume v in cubic centimeters. carl has a coin with a mass of 37.8 grams. the coun's volume is 2.1 cubic centimeters. could the coin be pure gold? explain your reasoning. whoever answers this correctly gets marked brainliest! this is also worth a decent amount of points than normal questions!

Is this function periodic? why or why not?