Answer:
-4.6
Step-by-step explanation:
-2.3-2.3=-4.6
Answer:
30√85 or 276.5863 meters
Step-by-step explanation:
Use pythag theorom. a^2+b^2=c^2
180^2+210^2=c^2
c=276.5863
The first option,
both have to be negative, because they were originally both part of the one fraction, which was all negative.
Answer:
B
Step-by-step explanation:
The area of the biggest rectangle =

The area of the of the smallest rectangle inside=

Then the area of the shaded region =

So, we choose B.