The table shows the time spent exercising and the number of calories burned. Time Spent Exercising (in
minutes)
10
15
18
20
25
30
Number of Calories
125
180
225
295
375
400
Which statement is true?
There is a very weak negative correlation between the time spent exercising and the number of calories burned.
There is a very weak positive correlation between the time spent exercising and the number of calories burned.
There is a very strong negative correlation between the time spent exercising and the number of calories burned.
• There is a very strong positive correlation between the time spent exercising and the number of calories burned.

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

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) =

The equations 2x-5y = -5 11x-5y = 15 9x+ 5y = 5 and 14x+ 5y = -5 are shown on the graph below. which system of equations has a solution of approximately (-0.6. 0.8)?