Answer:
(-2,-4)
Step-by-step explanation:
Turning the point 180 degrees causes the point to be reversed, or upside down, therefore the numbers will become negative.
Answer:
r <5
Step-by-step explanation:
r-4<1
Add 4 to each side
r-4+4<1+4
r <5
You have it correct the answer is 20
Answer:
d) This is a completely randomized design with two explanatory variables (factors).
Step-by-step explanation:
Explanatory variables are independent variables.
In this case, I prepared two explanatory variables, which are : (i)30-second ad
(ii) 60-second ad,
Then, the explanatory variables were assigned to 4 treatment groups, and each variable is done once or thrice.
All subjects are assigned randomly to all treatment groups, with each treatment group seeing one. We can conclude that this is a completely randomized design with two explanatory variables.
Answer:45 divided by 3 is 15
Step-by-step explanation: