Calculate the number of subsets and the number of proper subsets for the set
{1,3,5,7,9,11}

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?