Solve the problem.The NCAA Division 4 women's champion for the 400-m dash in 1998 was Sally Sprintalot of World State University. Her winning time was 4.89 sec. What was her rate in meters per second?
A. 81.80 m per sec
B. 1956.00 m per sec
C. 79.80 m per sec
D. 83.80 m per sec
Answer: A
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Divide and simplify. Write the answer as a mixed number if possible.
÷ 2
A. 
B. 
C. 7
D. 
Using synthetic division, determine whether the numbers are zeros of the polynomial.4, 
; f(x) = x3 - 
x2 + 
x - 2
A. Yes; yes B. Yes; no C. No; yes D. No; no
Write the equation in its equivalent logarithmic form.3-2 = 
A. log-2 
= 3
B. log3 -2 = 
C. log3 
= -2
D. log1/3 3 = -2
The loudness of a sound of intensity x, measured in watts per square meter, is defined as L(x) = log (
), where xo = 10-3.A company with loud machinery needs to cut its sound intensity to 26% of its original level. By how many decibels should the loudness be reduced?
A. 6.237 decibels B. 6.880 decibels C. 5.760 decibels D. 5.850 decibels