Multiply.(5y + 2)(4y - 1)
A. 20y2 + 3y - 2
B. 9y2 + 1
C. 20y2 - 2
D. 20y2 - 13y - 2
Answer: A
Mathematics
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Use the determinant feature of a graphing calculator to solve the system by Cramer's rule . (Round to one decimal place.)1.1x + 16.6y + 4.6z = 4.33.0x - 7.0y - 1.4z = -4.03.7x + 17.7y - 1.9z = 11.0
A. {(-1.9, 2.5, -4.6)} B. {(1.1, -1.5, 2.8)} C. {(-0.5, 0.6, -1.1)} D. {(-0.7, 0.9, -1.7)}
Mathematics
Perform the indicated operations. Write the resulting polynomial in standard form.(6x4 + 9x3 - 3x2 - 4) + 
A. 13x18 + 1 B. 3x4 + 3x3 + 11x2 + 12 C. 9x4 + 16x3 - 12x2 + 1 D. 9x8 + 16x6 - 12x4 + 1
Mathematics
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume all variables represent nonzero real numbers.
2
A. 
B. 
C. 
D. 
Mathematics