Find the product.-3x(6x2 + 2x + 9)
A. -18x3 - 6x - 27
B. -18x3 + 2x + 9
C. -18x3 + 6x2 + 27x
D. -18x3 - 6x2 - 27x
Answer: D
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Decide whether the given statement is always true or not always true.A ? (B ? C) = (A ? B) ? C
A. Not always true B. Always true
Determine whether the given expression is a monomial (Yes or No). For those that are monomials, state the coefficient and degree.-mn4
A. no B. yes; coefficient -1; degree 5 C. yes; coefficient m; degree 4 D. yes; coefficient -1; degree 4
Solve the equation for x. Give an approximate solution accurate to four decimal places.ln(13x + 6) = -1.1
A. -0.9445 B. -0.4359 C. -73.6723 D. -5.6671
Solve the problem.The formula v = 
can be used to estimate the maximum safe velocity v, in miles per hour, at which a car can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, find the maximum safe speed for a curve in a road with a radius of curvature of 300 feet.
A. 43 mph B. 17 mph C. 11 mph D. 27 mph