Solve by using the quadratic formula.7x2 - 77 = 0
A. ± 
B. 
C. ± 
D. ± 
Answer: D
Mathematics
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Determine the required number of branches in the tree diagram described.A tree diagram showing how many ways 3 coins could be flipped
A. 16 B. 8 C. 9 D. 7
Mathematics
Find the quotient 
of the complex numbers. Leave answer in polar form.z1 = 5(cos 200° + i sin 200°)z2 = 4(cos 50° + i sin 50°)
A. 
(cos 250° + i sin 250°)
B. 
(cos 150° - i sin 150°)
C. 
(sin 150° + i cos 150°)
D. 
(cos 150° + i sin 150°)
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find A - B.
A. 
B. [-3]
C. 
D. 
Mathematics
Provide an appropriate response.Write 71,464 in words.
A. seventy-one thousand, four hundred sixty-four B. seventy-one thousand, forty-six hundred, four C. seven thousand, four hundred sixty-four D. seventy thousand, four hundred sixty-four
Mathematics