What are the center and radius of the circle defined by the equation
x² + y²- 6x+4y+4= 0?

A. Center (-3, 2); radius 9
B. Center (3,-2); radius 3
C. Center (-3, 2); radius 3
D. Center (3,-2); radius 9

You use math in day-to-day routines when grocery shopping, going to the bank or mall, and while cooking. how do you imagine you will use math in your healthcare career?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?