Answer:
C.
Step-by-step explanation:
Science questions are T/F. That's .5 or
chance to get it right.
7 questions. Each with a
.
That's
=
= .0078 = .008 rounded
English questions are multiple choice. 4 choices. That's .25 or 
3 questions. Each 
That's 
=
= .0156 = .016 rounded
if you have base ten blocks you can figure out the answer
V= pi x r^2 x h
V/(pi x h)=r^2
square root of [V/(pixh)]=r