Find the probability.One digit from the number 3,474,554 is written on each of seven cards. What is the probability of drawing a card that shows 5?

A.
B.
C. 1
D.


Answer: B

Mathematics

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Solve the quadratic equation by completing the square.x2 = 7 - 8x

A. x = -4 ± 
B. x = -1 ± 
C. x = 4 + 
D. x = -4 ± 2

Mathematics

Find the slope of the line.3x - 2y = 9

A.
B. - 
C. - 
D. - 

Mathematics

Multiply and simplify. ? 

A.
B.
C.
D.

Mathematics

Use a graphing utility to solve the system of equations. Round answers to two decimal places.

A. x = 4.56, y = -22.55, z = -6.06; (4.56, -22.55, -6.06) B. x =-22.55, y = 4.56, z = -6.06; (-22.55, 4.56, -6.06) C. x = -22.55, y = -6.06, z = 4.56; (-22.55, -6.06, 4.56) D. x = 4.56, y = -6.06, z = -22.55; (4.56, -6.06, -22.55)

Mathematics