Solve.In a track meet, Ashley runs 400 meters in 53.4 seconds. What was her average speed in meters per second? (Round to the nearest tenth.)
A. 1.3 m/s
B. 74.9 m/s
C. 0.1 m/s
D. 7.5 m/s
Answer: D
Mathematics
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Use properties of logarithms to write the expression in terms of logarithms of x, y, z.ln(x3y5z4)
A. ln 3x + ln 5y + ln 4z
B. ln 
+ ln 
+ ln 
C. 3 ln x - 5 ln y - 4 ln z
D. 3 ln x + 5 ln y + 4 ln z
Mathematics
Provide an appropriate response.The equation = -7 has a horizontal line as its graph.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the root. Assume that variables represent any real number.- 
A. x9
B. - 
C. -x9
D. 
Mathematics
Rationalize the numerator of the expression.
?
?
A. 
B. 
C. ?
D. ?
E. ?
Mathematics