Simplify the expression.ln (x12e-5x)
A. -5x + ln 12
B. 12 ln x - 5x
C. 12 - 5x
D. 12e-5x
Answer: B
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Find the angle between u and v in radians.u = -3i - 5j, v = 3i + 5j + 3k
A. 1.59 B. -1.10 C. 2.67 D. 2.03
Solve for x.6x = 1
A. 
B. {1}
C. {0}
D. ?
The lengths of the sides of a triangle are given. Determine if the triangle is a right triangle. If it is, identify the hypotenuse.4, 8, 10
A. right triangle; 8 B. right triangle; 4 C. right triangle; 10 D. not a right triangle
Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $1.35 per gallon, whereas they sell 3946 gallons on a day that they charge $1.40 per gallon. Find a linear function that expresses gallons sold as a function of price. Use this function to predict the number of gallons sold at a price of $1.18 per gallon.
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