Solve the system of equations corresponding to the given matrix equation.
= 
A. {(2, -3, 9)}
B. {(-3, 2, 9)}
C. {(-2, 3, -9)}
D. {(0, 3, -9)}
Answer: A
Mathematics
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Solve the problem.Let u = 
. Find 5u.
A. 
B. 
C. 
D. 
Mathematics
Solve.Ann, a real estate agent is paid $400 per month plus 0.50% of the total sales of homes that she sells. Last month Ann sold property worth $3,250,000. What was her total income for the month?
A. $162,500 B. $16,650 C. $16,250 D. $162,900
Mathematics
Simplify.18 - 20 + 5
A. 3 B. -7 C. -1800 D. -82
Mathematics
Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.6th term is 33; 15th term is 105
A. a1 = -15, d = 8, an = an-1 - 8 B. a1 = -7, d = 8, an = an-1 - 8 C. a1 = -15, d = 8, an = an-1 + 8 D. a1 = -7, d = 8, an = an-1 + 8
Mathematics