Add and write the result in lowest terms. + 

A.  
B.  
C.  
D.


Answer: A

Mathematics

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Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 

A. 3 × 3; square matrix B. 9; none of these C. 6 × 6; square matrix D. 2 × 3; none of these

Mathematics

Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.d2 + 7d - 3 = 0

A. (d - 3)(d - 1) = 0 B. (d - 4)(d + 2) = 0 C. (d - 1.7)2 = 0 D. Cannot be solved by factoring

Mathematics

Factor by any method.30x2 + 36xy + 25xy + 30y2

A. (30x + 5y)(x + 6y) B. (6x + 5)(5x + 6) C. (6x - 5y)(5x + 6y) D. (6x + 5y)(5x + 6y)

Mathematics

Graph the solution set of the system of inequalities.y ? - x2 - 6x - 4y ? x2 + 6x + 4

A.

B.

C.

D.

Mathematics