Solve the equation.log4(x + 4) - log4(x + 1) = 3
A. 
B. 
C. ?
D. 
Answer: A
Mathematics
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Find the circumference of the circle. Use ? ? 3.14 and round to the nearest hundredth.
A. 157.00 cm B. 490.63 cm C. 78.50 cm D. 39.25 cm
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 
Mathematics
Fill in the blank with one of the words or phrases listed below.
A(n) 
is a system of equations at least one of which is not linear.
A. nonlinear system of equations B. circle C. radius D. ellipse
Mathematics
Multiply. Write the answer in simplest form.- 
? 320a2
A. - 
B. -240a
C. 210a2
D. - 
Mathematics