Four fifths of the members of a club are female Three quarters of these females are over 20 years old
What fraction of the members of the club are females over 20 years old?

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Which of the following is the graph of y= square root -x-3