Solve the problem.If A is a 5 × 9 matrix, what is the smallest possible dimension of Nul A?

A. 5
B. 9
C. 4
D. 0

Answer: C

Mathematics

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Solve the formula for the specified variable.A = 2?rh + 4?r for h

A. h = 
B. h = A - 4?r
C. h = 
D. h = A - 4?r - 2?r

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Mathematics

Use the table to solve the equation.Solve: 3x2 - 4x + 3 = 2 

A. 2 B. 0 C. 1 D. 3

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Mathematics

A firm utilizes 75 percent of its plant capacity to produce the current year's sales of $3,000,000. What is the firm's full-capacity sales?

A. $12,000,000 B. $2,250,000 C. $3,000,000 D. $3,750,000 E. $4,000,000

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Mathematics

Find the square roots of the number. Approximate the answer to the nearest hundredth whenever appropriate.

A. - ,  
B. - , 
C. - ,  
D. - ,  

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Mathematics