Perform the indicated operations.( 6x2 - 3x - x3 + 3) - ( 8x2 - 3x - x3 + 4)
A. -3x2 - 2x3 + 1
B. -2x2 - 1
C. -3x2 - 7
D. -2x2 - 6x - 7
Answer: B
Mathematics
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Solve the problem.Find the perimeter of an isosceles trapezoid with short base of 34.2 cm, long base of 
and height of 
A. 179.6 cm B. 145.5 cm C. 145.2 cm D. 145.8 cm
Mathematics
Perform the indicated calculation.Calculate 2a34a31 - a12 for the matrix A = 
.
A. There is no element a34. B. -9 C. -12 D. -6
Mathematics
Find the range of the quadratic function.f(x) = x2 + 5
A. [-5, ?) B. [0, ?) C. [5, ?) D. (-?, 5]
Mathematics
Simplify the radical expression by factoring out the largest perfect nth power. Assume that all variables are positive.
A. 6x
B. 180x
C. 6
D. 6x
Mathematics