Simplify the polynomial by combining like terms.-9x2 + 7xy - 3y2 + 17xy
A. 12x2y2
B. cannot be simplified
C. -9x2 + 24xy - 3y2
D. -9x2 - 10xy - 3y2
Answer: C
Mathematics
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If 
represents the temperature t hours after midnight, then 
indicates the temperature at 
a.m.
Answer the following statement true (T) or false (F)
Mathematics
Simplify the given expression.92 - 5 ? 6 + 17
A. 79 B. 110 C. 539 D. 2001
Mathematics
Estimate by rounding as directed.0.06 + 97 + 0.73; nearest one
A. 101 B. 99 C. 96 D. 98
Mathematics
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 5x + 4y = 8-4x + 2y = -22
A. {(-3, 4)} B. {(3, -4)} C. {(-4, 3)} D. {(4, -3)}
Mathematics