Solve using the addition or division principle.3 = b - 9
A. 12
B. -6
C. -12
D. 6
Answer: A
Mathematics
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Find an approximate value for the integral, using the trapezoidal rule with n intervals. Round the answer to the nearest tenth if necessary.
, n = 2
A. 4.1 B. 2.5 C. 0.1 D. 2.4
Mathematics
Use long division to find the quotient and the remainder
A. quotient: x2 - 3x + 9; remainder: 0 B. quotient: x2 + 3x + 9; remainder: 0 C. quotient: x2 - 3x - 9; remainder: 0 D. quotient: x2 + 9; remainder: 0
Mathematics
Solve. Give an exact answer unless indicated otherwise.cos-1 x + cos-1 2x = cos-1 
A. x = 2
B. x = 
C. x = -5 + 3
D. x = ± 
Mathematics
Rewrite the division as a multiplication.
A. 14.5
B. -14.5 ? 2.1
C. 14.5 ? 
D. 14.5 ? 2.1
Mathematics