Answer:
His mistake is that he didn't multiply it -18 to the negative sign correctly. The negative sign and -18 have to multiply which turns -18 to a positive 18.
Step-by-step explanation:
-15-(-18)=-15 +(-18)
-15+18= -15 -18
3=33
no solution
Answer:
Surface area of Torrid Zone (cylinder shape) = 80,897,143 miles² (Approx)
Step-by-step explanation:
Given:
Radius of the Earth = 3,960 miles
Find:
Surface area of Torrid Zone (cylinder shape) = ?
Computation:
We know that, distance between two tropics is 3,250 miles.
So, Height = 3,250 miles

Surface area of Torrid Zone (cylinder shape) = 80,897,143 miles² (Approx)
Answer:
a)
The sample is 60 rewards members for the makeup company
b)
Appropriate population is the entire members of the makeup company
c)
(Email showing new products or emails showing products that were on sale) are the predictor variables and its categorical
d)
the recipient clicked through to the website or not; is the response variable and its also categorical
Step-by-step explanation:
Given the data in the question;
a) What is the sample?
The sample is 60 rewards members for the makeup company
b) What would be an appropriate population to draw inference to based on this sample?
Appropriate population is the entire members of the makeup company.
c) What is the predictor variable? Is it quantitative or categorical?
The predictor variable is type of emails i.e (email showing new products or emails showing products that were on sale).
This categorical.
d) What is the response variable? Is it quantitative or categorical?
The response variable is; the recipient clicked through to the website or not.
This is also categorical.
Answer:
The answer is 4
Step-by-step explanation:
the 2 sides are 9 each and the two tops are 4 each