Answer:
Positive 8
Step-by-step explanation:
Since they're both negative numbers and it went from -9 to -1, you had to have added a positive number to get a lesser negative number. To put it simply, if you were to subtract 8 from 9, you'd get 1.
Female students that participate: 51
male students that don’t: 30
Given:
The length of the lot l= 750ft
The width of the plot w= 540 ft
Required:
Find the required fence.
Explanation:
The perimeter of the rectangle is given by the formula.

Thus the required fence for the lot

Final answer:
The required fence is 2580 ft.
The surface area of a sphere is given by

where r represents the radius.
As the radius is given as 60 meters we replace r with 60 in the formula above to get the surface area.
Answer:
B. 
Step-by-step explanation:
The lateral area of the right cylinder refers to the curved surface area.
The lateral area of the right cylinder does not include the two circular bases.
The lateral area is given by the formula;

The correct choice is B.