Question 18 (5 points) is tangent to circle A. Determine the length of .

Question 18 options:

1)

4

2)

5

3)

3

4)

6
Question 19 (5 points)
What's the standard equation of the circle with the general equation x2 + y2 + 4x – 2y – 20 = 0?
Question 19 options:

1)

(x + 1)2 + (y – 2)2 = 5

2)

(x + 2)2 + (y – 1)2 = 25

3)

(x – 2)2 + (y + 1)2 = 25

4)

(x + 2)2 + (y – 1)2 = 5

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? 1. define a variable for the situation. 2. write an inequality that represents the situation. 3.solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. 4. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.