Divide. Write a mixed numeral for the answer.
A. 46
B. 47
C. 46
D. 47
Answer: B
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Perform the division.
A. 7x - 7
B. 7x - 21x3 +
C. 7x - 7 +
D. 12x - 7
Solve the problem.A person with no more than $1000 to invest plans to place the money in two investments, telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 3 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let to be invested in telecommunications and
to be invested in pharmaceuticals.
A. x + y = 1000 x ? 3y x ? 0 y ? 0 B. x + y = 1000 y ? 3x x ? 0 y ? 0 C. x + y ? 1000 x ? 3y x ? 0 y ? 0 D. x + y ? 1000 3x ? y x ? 0 y ? 0
Solve using matrices.5x - y - 9z = 0-2x - 5z = -29 4y + z = 35
A. (7, 8, 3) B. (-7, 8, 14) C. (8, 3, 7) D. (7, 3, 8)
Graph the equation and give the coordinates of the vertex.y = -x2 - 2x - 6
A. (1, 5)
B. (-1, -7)
C. (-1, 5)
D. (-1, -5)