Amy said she would have solved this problem differently she saw that she was looking for the differences between the score in the second round 3 in the score in the first round -5 so she wrote the expression 3 - (-5) .does her method work ?

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

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) =

Determine the equivalent system for the given system of equations: 5x − 3y = 6 x + y = 2