Write the equation of the circle in standard form in order to answer this question

x2 + y2 - 4x + 6y + 9 = 0

What is the radius of this circle?

Physical therapy increases a client's pulse rate. The client's rate before the physical therapy was 60 beats per minute. At the completion of the physical therapy, the rate is 75 beats per minute. What is the percent of increase in the pulse rate?

In a manufacturing process, a random sample of 9 manufactured bolts has a mean length of 3 inches with a variance of. 09 and is normally distributed. What is the 90 percent confidence interval for the true mean length of the manufactured bolt

What are the opposites of 5,?2.5, 1.15, and 9 1 5? Enter the answers in respective order, each separated by comma.

Hot dogs are sold in packages of 10 and hot dog buns are sold in packages of 8. Vincent bought the same number of hot dogs and buns. What is the smallest number of hot dogs Vincent could have bought?

I have 7hundreds blocks, 5tens blocks, and 8ones blocks. I use my block to model two 3-digit numbers. What could My two numbers be?

How to write a mixed number

Fernando has a bucket that holds 3 gallons of water. he is filling the bucket using a 1-pint container. how many times will he have to fill the pint container in order to fill the bucket?

3,9,7,21,19,57.55,165 what is the last number?

There are a total of 26 students in Tom's class. There are 4 more boys than girls. Which system of equations represents this situation? Let g be the number of girls, and let b be the number of boys.

Complete the statement 20kg = ? g