Combine terms.-9p3 + 3p + 2p3 - 5
A. -9p5
B. -54p5 - 5
C. -4p2 - 5
D. -7p2 + 3p - 5
Answer: D
Mathematics
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Perform the indicated operation and simplify. 
- 
A. 
B. 
C. 
D. 
Mathematics
Given the matrices A and B, find the matrix product AB.A = 
, B = 
Find AB.
A. 
B. AB is not defined.
C. 
D. 
Mathematics
Simplify the radical. Indicate if the radical is not a real number. Assume that x represents a positive real number.
A. x
B. x4
C. 4
D. x8
Mathematics
Solve the problem.An airplane has an airspeed of 125 km/h. It is to make a flight in a direction of 305° while there is a 
wind from 210°. What will the airplane's actual direction be?
A. 107° B. 292° C. 283° D. 318°
Mathematics