The histogram gives information about a fitness club all members are below 80 years old 25 members are below 20 years old 9 members are above 65 years old

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.