Solve the equation by factoring.3x2 = 5x + 8
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. -
B. -
C. -3
D. -
Mathematics
Round each number to the nearest hundred to estimate the sum or difference.9578 - 2135
A. 7400 B. 7500 C. 7000 D. 7443
Mathematics
Solve the problem.Use the formula L = 10 ? log 
, where the loudness of a sound in decibels is determined by I, the number of watts per square meter produced by the sound wave, and 
What is the intensity of a noise measured at 93 db?
A. 9.3 × 10-10 watts per square meter B. 1.09 × 1016 watts per square meter C. 2 × 10-3 watts per square meter D. 2 × 10-2 watts per square meter
Mathematics
Solve the equation.
= 7
A. {7} B. {7, -7} C. {-7} D. {49}
Mathematics