Answer: 
Step-by-step explanation:
Equilateral triangle has equal sides, let the side be
, then the perimeter is 
Therefore:



To find the altitude , we will apply Pythagoras theorem , that is

Therefore:



take the square root of both sides

147.59 is the total amount given to each brother after all purchases were made.
Answer:
81 is the Q3 72 IS IN THE MDDLE 47 IS Q1 THE MAX IS 96 AND THE MIN IS44
Step-by-step explanation:
81 is the Q3 72 IS IN THE MDDLE 47 IS Q1 THE MAX IS 96 AND THE MIN IS 44 I HOP THIS HELPS
you could download 2 more songs.
X.59, where X stands for the number of songs downloaded, and .59 for the price of the song. 2*.59=1.18, or you could add .59+.59+.59=1.77, and 1.77 > 1.65, meaning you wouldn't afford the third song