Write the polynomial in descending order and identify its degree.x - 9x2
A. -8x2 ; degree: 2
B. 8x2 - x ; degree: 2
C. -9x2 + x ; degree: 2
D. 9x2 + x ; degree: 2
Answer: C
Mathematics
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Subtract.-10 - 21
A. -31 B. 11 C. 31 D. -11
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Solve the equation.y1/2 - 14y1/4 + 45 = 0
A. {-5, -9} B. {625, 6561} C. {5, 9} D. {25, 81}
Mathematics
Complete.231 m = 
hm
A. 2.31 B. 23,100 C. 23.1 D. 0.231
Mathematics
Divide.-4.8 ÷ 0.08
A. -4.72
B. 
C. -47.2
D. -60
Mathematics