Factor out the largest common factor.5a2 - 45a + 40
A. 5(a2 + 9a - 8)
B. 5(a2 - 45a + 40)
C. 5(a2 - 45a + 8)
D. 5(a2 - 9a + 8)
Answer: D
Mathematics
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Graph the equation by hand.x = 5
A. 
B. 
C. 
D. 
Mathematics
Either the dimensions of two matrices or the matrices themselves are given. Find the dimensions of the product AB and the product BA. If either is not defined, say so.A is 4 × 4; B is 4 × 4.
A. AB is 4 × 8; BA is 4 × 8. B. AB is 8 × 8; BA is 8 × 8. C. AB is 8 × 4; BA is 8 × 4. D. AB is 4 × 4; BA is 4 × 4.
Mathematics
Solve for the specified variable.f = h - 5
, for z
A. z = 
B. z = 
C. z = 
D. z = 
Mathematics
Graph the system of inequalities.2x + y ? 4 y - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics