Multiply and simplify.18 
A. 
B. -162
C. -2
D. 2
Answer: C
Mathematics
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Integrate the function.
dx
A. ln
B. e3 - e2
C. ln
D. ln
Mathematics
Determine whether the ordered pair given is a solution of the linear inequality in two variables.x + 2y > -3; (4, -3)
A. Yes B. No
Mathematics
Solve the problem.The decibel level D of a sound is related to its intensity I by 
. If I0 is 10-12, then what is the intensity of a noise measured at 93 decibels? Express your answer in scientific notation, rounding to three significant digits, if necessary.
A. 1.09 × 1016 watt/m2 B. 2 × 10-3 watt/m2 C. 2 × 10-2 watt/m2 D. 9.3 × 10-10 watt/m2
Mathematics
Solve by the substitution method.x + 2y = 13x + 3y = 3
A. (0, 1) B. (1, 3) C. (-1, -1) D. (1, 0)
Mathematics