Simplify the expression.(-4x6y5)2
A. 16x36y25
B. -8x12y10
C. -16x12y10
D. 16x12y10
Answer: D
Mathematics
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Multiply.(8a + 9c)(8a - 9c)
A. 64a2 - 81c2 B. 8a2 - 9c2 C. 64a2 + 144ac - 81c2 D. 64a2 - 144ac - 81c2
Mathematics
Find the sum of the infinite geometric series, if it exists.-6 - 2 - 
- 
- . . .
A. - 9
B. - 
C. 3
D. does not exist
Mathematics
Find the particular solution of the differential equation.
+ 2x = 3x2; y = 25 when x = 0
A. y = 3x3 + x2 + 25 B. y = x3 + 2x2 + 25 C. y = x3 - x2 + 25 D. y = 3x3 + 2x2 + 25
Mathematics
Subtract.(7x5 + 20x3 - 7) - (8x3 + 3x5 + 17)
A. 4x5 + 12x3 + 10 B. -8x8 C. 4x5 + 23x3 + 10 D. 4x5 + 12x3 - 24
Mathematics