Answer:
A
Step-by-step explanation:
I am almost completely positive that question 4 is A
Answer:
Arithmetic sequence.
Step-by-step explanation:
We have been given 9,5,1 and -3
We need to check what kind of sequence is this.

d is common difference we will check difference of consecutive terms.



We can see the difference between all the terms are same that is -4
So, this is an arithmetic sequence.
Arithmetic sequence is the sequence in which the difference between consecutive terms are same.
Answer:
the radius is about 14.47 ft
Step-by-step explanation:
658=pi*r^2 Given
658=3.14*r^2 Substitution
209.55=r^2 Division property of equality
√209.55=√r^2 square root property of equality
the radius is about 14.47 ft
Answer:

Step-by-step explanation:

Slope = (7 + 2)/(-18 + 4) = 9/-14= - 9/14