Solve.Bill took 0.312 minutes longer than Bob to run a marathon. Write this decimal as a fraction.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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For the following two concentric circles, what would the radius of the larger circle need to be in order for the area of the inner circle to equal the shaded area between the two circles?
Mathematics
Rewrite with rational exponents.
A. m1/4n
B. (mn)1/4
C. 
D. mn1/4
Mathematics
Use a calculator to solve for x in the given intervalcot ? = 5.92, 0° ? ? ? 90°
A. 9.72° B. 80.27° C. -9.59° D. 9.59°
Mathematics
Choices are rounded to the nearest tenth.
Find the circumference (perimeter) and area of a circle with diameter 8 inches. Use 
from a calculator.
Mathematics