B=7 I showed my work so I hope it helps!
Answer:
25%
Step-by-step explanation:
Answer:
A. y-axis only
Step-by-step explanation:
We have the graph of as given below.
It can be seen that passes through the points (0,0), (4,0) and (6,0).
Also, the graph is plotted in the 1st and 2nd quadrant symmetrically along the y-axis.
Hence, the axis of symmetry of is the y-axis only.
A=2πrh+2πr2=2·π·6·25+2·π·6^2 so the answer is D