Find the indicated probability.A study was recently done that emphasized the problem we all face with drinking and driving. Four hundred accidents that occurred on a Saturday night were analyzed. Two items noted were the number of vehicles involved and whether alcohol played a role in the accident. The numbers are shown below: Number of Vehicles Involved
If an accident is selected at random, what is the probability that it involved alcohol or a single car? Give your answer as a fraction.
A. 
B. 
C. 
D. 
Answer: A
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Find v ? u.v = -2i + 7j and u = 6i + 3j
A. 4i + 10j B. 9 C. -12i + 21j D. -33
Solve the problem.Use Newton's method to estimate the solutions of the equation 
. Start with 
for the right-hand solution and with x0 = -1.5 for the solution on the left. Then, in each case find x2.
What will be an ideal response?
Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.40m2 - 9m - 9 = 0
A. (8m - 3)(5m + 3) = 0 B. (40m + 3)(m + 3) = 0 C. (5m - 3)(8m + 3) = 0 D. Cannot be solved by factoring
Find the center and radius of the circle whose equation is given. Graph the circle. (x - 1)2 + (y - 1)2 = 16
A. center: (1, 1); radius: 16
B. center: (1, 1); radius: 4
C. center: (- 1, - 1); radius: 16
D. center: (- 1, - 1); radius: 4