If someone eats three fifths of a whole and left 12 pieces how many pieces were there in a whole

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

15/16 as a decimal rounded to the nearest hundredth

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points