Answer:
Step-by-step explanation:
a. is 4. 3/5
Answer:
The shaded area is 
Step-by-step explanation:
we know that
The shaded area is equal to the area of the large square minus the area of the two smaller squares
so

Calculate the shaded area
Remember that

substitute

The graph is wrong and can be subject to misinterpretation as the values in the graph don't add up to 100
63+80+70 is equal to 213
33.3333....,... difference I believe
Answer:
C
Reasoning:
You should add a period to fix the run-on sentence because they're two different ideas. (They don't fit in the same sentence.)