Write your name on your response sheet. Explain your answers in as much detail as possible. Check your examples and results. You need to explain every step of your logic, development andcalculation. No credit will be given without the intermediate steps or the explanations. Please readall questions before you start your answers. Let
A= [1 2 2 2]
[2 5 5 7]
[3 6 6 6]

1. Find all possible solutions of the homogeneous system Ax = 0.
2. Find all possible solutions of Ax = 6, where

[3]
b = [7]
[9]

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.