5+4 2+6-2 2-1 where should you put the parentheses to make this expression equal 19.

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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

Awindow has the shape of a rectangle with a semi circle at the top. find the approximate area of the window using the dimensions shown. 4ft by 8ft