The Lake has a buoy in the center. The radius of the lake is 30 feet. What is the circumference of the lake? pls help and dont answer if you dont know it

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

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

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