Perform the conversion. Round to the nearest hundredth when necessary.86.5 lb to kg
A. 3.05 kg
B. 190.30 kg
C. 2452.28 kg
D. 39.27 kg
Answer: D
Mathematics
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Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. 
B. 
C. 
D. 
Mathematics
Solve the formula for the given variable.I = Prt
for t
A. t = 
B. t = 
C. t = P - Ir
D. t = 
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Write as a logarithm of a single expression.2 log7 2 + 
log7 (r - 4) - 
log7 r
A. log7 
B. log7 
C. log7 
D. log7 
Mathematics
Solve the problem.The range R of a projectile is related to the initial velocity v and projection angle ? by the equation 
where g is a constant. How is 
related to 
and 
if neither v nor ? is constant?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics