Answer:
the last option or D
Step-by-step explanation:
Not a function because x-values repeat and to find the range you grab all the y-values. If y-value repeats the same number then you would take one of the numbers. Don't add it or anything, just count it as one number.
Answer:
£616
Step-by-step explanation:
700 - 12% = 616
616 is 12% less than 700
Answer:
it should be 110 ft, because area is length x width, which is 10 x 11
Step-by-step explanation:
Answer:
6 3/5
Step-by-step explanation:
7 - 2/5 = 6 3/5
Sorry I can’t really explain this. It just comes into my head
Answer: 
Step-by-step explanation:
The formula for the lateral area of a cone
is:

Where:
is the radius of the circular base of the cone
As we know its diameter
, its radius is 
is the height of the cone

This is the lateral area of the volcano with the shape of a cone