Jon is trying to fence in his yard. He knows that he can get 4 fence posts for the same price as 1 panel. He also knows the lumber yard sells a package of 5 posts and 4 panels for $189.00 He definitely needs more than that. How much will 21 posts and 20 panels cost, at those prices?

Which choice represents the sample space ,s for this event

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Atest of sobriety involves measuring the subject's motor skills. a sample of 31 randomly selected sober subjects take the test and produce a mean score of 64.4 with a standard deviation of 2. a claim is made that the true mean score for all sober subjects is equal to 65. for each part below, enter only a numeric value in the answer box. for example, do not type "z =" or "t =" before your answers. round each of your answers to 3 places after the decimal point. (a) calculate the value of the test statistic used in this test. test statistic's value = (b) use your calculator to find the p-value of this test. p-value = (c) use your calculator to find the critical value(s) used to test this claim at the 0.2 significance level. if there are two critical values, then list them both with a comma between them. critical value(s) =