There are 4500 lower level seats and 2000 upper level seats. what is the ratio of lower level seats to total seats

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.