The altitude is the mean proportional between the left and right parts of the hyptenuse
20/m = m/8
m² = 20 · 8
m² = 160
m = √160
m = 4√10
The answer is A
expand the brackets then add seven to both sides, then you 3x to both sides, then you divide both sides by five
and you get A
Answer:
C
Step-by-step explanation:
if you take
the given number and subtract them from the value you get when you multiply then you get -2
