215,000 x 5.2% =11,180 quarterly compounded interested
quarter = 4 theres 4 quarters in a year
3years x 4 quarters= 12 quarters
12 quarters x 5.2% of 215,000 =
134,160(compounded interested)+ 215,000(money he owes) =
349,160
Karen = x
bill = 2x - 9
total = x + 2x - 9 = 3x - 9
Answer:
Step-by-step explanation:
Given
Measurement of box 
suppose Length 
Breadth 
height 
Volume of Cuboid
Volume of Packaging box 

-3√45 + 3√20 = -3√(9 · 5) + 3√(4 · 5) =
= -3√(3² · 5) + 3√(2² · 5) =
= -3 · 3√5 + 3 · 2√5 =
= -9√5 + 6√5 = -3√5 ← the end