Perform the matrix operation.Let A =
and B = 
. Find 3A + B.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the coordinates of the midpoint of the line segment PQ.P(u - w, k), Q(u + w, k)
A. (k, u) B. (2u, 2k) C. (u, k) D. (-w, 0)
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Use an integer or rational number to express the number representing change.One country exported $79,100,000 more than it imported, giving it a positive trade balance.
A. -79,100,000 B. 79,100,000
Mathematics
Write the number in words.9,070,283
A. nine million, seven thousand, two hundred eighty-three B. ninety-seven hundred thousand, two hundred eighty-three C. nine million, seventy thousand, two hundred eighty-three D. nine million, seven hundred thousand, two hundred eighty-three
Mathematics
List the terms of the expression.12 - 5ab - 7b
A. 12, -5ab, -7b B. 12, 5, a, b, 7 C. 12, 5ab, 7b D. -12, -5, a, b, -7b
Mathematics