What are the center and radius of the circle defined by the equation

x2 + y2 - 6x+By+21=0?

Circle A has a diameter of 9 inches, a circumference of 28.26 inches, and an area of 63.585 square inches. The diameter of circle B is 5 inches, the circumference is 15.70 inches, and the area is 19.625 square inches ...

What is the y - intercept of - 3x - 9y = 18? a. 2 b. - 2 c. 6 d. - 6

Janet pays $350 annually for her gym membership plus $8 each time she takes a pilates class. Last year, Janet took 20 pilates classes.

What is 208,561 written out in expanded form

Triple the sum of 45 and 55

Bill can hit a bucket of 323323323 golf balls in 171717 hours. how many golf balls can bill hit in 232323 hours?

An equation is shown below 3 (2x - 7) = 3 How many solutions does this have and what are the solutions

Explain how you decide whether a number is a prime number or a composite number

An equation is shown below: 2 (7x - 3) = 9 which of the following correctly shows the beginning steps to solve this equation?

Your long distance telephone provider offers two plans, Plan A has a monthly fee of $15 and $0.25 per minute. Plan B has a monthly fee of $20 and $0.05 per minute.