Find the average velocity of an object which follows the position function s(t) over the given interval.s(t) = 4t2, 
A. - 
B. 2
C. 
D. 7
Answer: D
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Determine the slope and the y-intercept for the linear equation. Use the slope and the y-intercept to sketch the graph of the equation.5x - 9y = 45
A. m = 5, y-intercept: (0, -9)
B. m = - 
, y-intercept: (0, 5)
C. m = 
, y-intercept: (0, 9)
D. m = 
, y-intercept: (0, -5)
Solve the problem.Suppose that you have 10 white socks and 6 black socks in a clothes dryer. How many socks must you withdraw from the dryer (without looking) to be certain of having a pair of white socks?
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.Evaluate 
Fill in the blank(s) with the appropriate word(s).
Factor the polynomial by grouping.2x2 + 9x + 18x + 81
A. (2x + 9)(9x + 2) B. (2x + 9)(2x + 9) C. (x + 9)(2x + 9) D. prime