Answer:
7.25
Step-by-step explanation:
10,9.75,9.5,9.25,
the rest of the sequence would look like
8, 7.75, 7.5, 7.25, 7, 6.75, 6.5, 6.25, 6 etc.
(the pattern is - .25 from the previous number.
so the 8th number in this sequence is 7.25
hope this helps!!:)
The base of a cone is a circle.
The area of a circle is

.
Thus, the area of the base of a cone

.
The derivation of the formula for the area of a circle involves a bit of calculus, but if you'd like, I can walk you through it.
Answer:
So first you have 5(8x+3)
And then you simplify it:
5(8x)=40x
5(3)=15
And then you get 40x+15
C is the correct answer. using the equation (y-y1)=m(x-x1)