Solve.a - 23 = 4
A. -27
B. 19
C. 27
D. -19
Answer: C
Mathematics
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Simplify.(x-4y5)-3
A. 
B. 
C. 
D. 
Mathematics
Find an equation of an ellipse satisfying the given conditions.Vertices:(±13, 0); Length of minor axis: 20
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Factor completely, or state that the polynomial is prime.243x2 + 378x + 147
A. 3(9x + 7)2 B. 3(9x + 7)(9x - 7) C. 3(9x - 7)2 D. prime
Mathematics
Add or subtract as indicated.(-7 - 2x7 + 8x9 - 5x8) + (-9x8 - 6x7 - 2 + 7x9)
A. -7x48 - 9 B. -16x9 - 16x8 + 6x7 + 2 C. 15x18 - 14x16 - 8x14 - 9 D. 15x9 - 14x8 - 8x7 - 9
Mathematics