What does axes of symmetery mean?

Mrs West is 14 years younger than her aunt If Mrs West's age in years is as much below 60 as her aunt's age is over 40 how old is each? How long is one inch? How does the measure of an inscribed angle relate to the measure of its intercepted arc? How many milliters are in 289 killiters? What is Thirteen fifteenths minus two thirds? How many Monday in 1993? Molar mass is a whole number multiple of the a) empirical formula mass c) average atomic mass b) amu d) mass percent? How many 5 cents in quarter dollar? What is 3.99680 rounded to the nearest hundredth? Is 1 8th equal to 10 percent? How fast is 47 tenths of a second? How big is 23 inch in cm? What is prefex for quadrilatral? What is the area of a circle with a circumference of 43 inches? Did Leonhard Euler have a nickname? International number system? Where in the Bible does it say God knew about you before you were conceived and how many days you will live? What percentage of Americans budgets are spent on apparel? What is the value of 4 in 942? What is a double square pyramid?