Expand the expression.ln
A. 
ln (x2 + 1) + ln (2x + 5)
B. 
ln (x2 + 1) - 
ln (2x + 5)
C. 
ln x - 
ln 2x - 
ln 5
D. 
Answer: B
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Perform the indicated operation.(2m2n4)(5m2n2)
A. 10mn4 B. 10m4n C. 10mn6 D. 10m4n6
Solve the absolute value equation. 
= 6
A. 
B. 
C. 
D. ?
A plane is flying with an airspeed of 245 miles per hour with heading 276.2°. The wind currents are running at a constant 47.2 miles per hour in the direction 266.1°. Find the ground speed and true course of the plane. ? Apply the rules regarding the use of significant digits after all computations are complete. ?
A. 292 mph with heading 274.6° B. 302 mph with heading 274.6° C. 292 mph with heading 273.8° D. 292 mph with heading 294.6° E. 302 mph with heading 294.6°
Graph the parabola and label the vertex. Find the y-intercept.y = 2(x - 1)2 + 
A. vertex 
, y-intercept (0, -2.5)
B. vertex 
, y-intercept (0, -6.5)
C. vertex 
, y-intercept (0, 6.5)
D. vertex 
, y-intercept (0, 6.5)