Answer:
Their bill before tax and tip is $84.96
Step-by-step explanation:
Here, we want to know the cost of the bill before tax and tip
We simply are up all they had in courses and in drinks
Mathematically, that will be;
13.99 + 16.99 + 19.99 + 21.99 + 12 = $84.96
Answer: -0.64
Step-by-step explanation:
We know that the coefficient of determination in a simple linear regression model is denoted by
, which gives the proportion of the variance in the dependent variable that is predictable from the independent variable.
Given, the coefficient of determination in a simple linear regression model is 64%.
i.e.

As there is negative relation between the dependent and independent variables.
Then, the correlation coefficient = -0.64
Answer:
0
Step-by-step explanation:
8(5)-40=0
40-40=0
<span>FeCl3 test is used to find out the phenols in a sample or compound. Natural phenols in a plant extract can be determined using the FeCl3 test, for example. If the test results in dark brown solution it is a positive result signify that it contains phenols.</span>
Answer:
Step-by-step explanation:
Ill let you be the judge of the correct answer, but from what i can see the correct answer is c