His year 16500 people visited a memorial site. This was an increase of 20% from the previous year. How many visitors were there in the previous year?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=9, and ac=12, find hc.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet