Calculate.
A. 7
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.If 4 hours are required to type 24 pages, how many hours would be required to type 42 pages?
A. 3 hours B. 6 hours C. 7 hours D. 8 hours
Mathematics
Solve the problem. Round your answer to the nearest whole number.A tree casts a shadow 21 m long. At the same time, the shadow cast by a 70-cm tall statue is 73 cm long. Find the height of the tree.
A. 19 m B. 21 m C. 20 m D. 22 m
Mathematics
Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.5x2 = -11x
A. x = 0
B. x = - 
, x = 0
C. x = 
, x = 0
D. x = ± 
Mathematics
Write the augmented matrix that represents the linear system.
A. 
B. 
C. 
D. 
Mathematics