Answer:
b. 16x^10+121 is the answer
C. 196 sq. In.
Multiply 4×7×7 To find the surface area.
From the list of 9 weights we see that
Puppies in range 10-11 = 3
range 12-13 = 4
range 14-15 = 2
The second histogram described is the correct one.
15+15+15+2+2+2+2=(3×15)+(4×2)=45+8=53
