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. Given that an accident involved multiple vehicles, what is the probability that it involved alcohol? (as a fraction) Number of Vehicles Involved Did Alcohol Play a Role? 3 or more 20 1 Totals Yes 59 91 170 No Totals 23 180 27 230 82 271 47 400

I need help on this problem

1. Simplify: (Vô + VTB) (v – v10) /30 e) V5

Question 7 C 0/1 pt 5 2 O Details Multiply 28 x 35 using duplation. Show all work using the correct method on your handwritten work/answer sheet. First check which of the following numbers are used in adding up to 28: 1: yes 2: yes no 4: no yes no 8: yes no 16: yes no 32: yes no Now write down the numbers you need to add in order from smallest to largest: + + Now add them up to find the product: 28 x 35 = %3D