As r varies the equation (r -

a.· (r -

b. = 0 defines a sphere. determine the center of this sphere when a = h 3, 5, 3 i, b = h 5, 9, 7 i.

What will happen to the mean of the data below if the outlier, 57, is added? 23,28, 27, 25,25,22,25 A. The mean will not change B. The mean will decrease C. There is not enough information given D. The mean will increase

Estimated: 253 times 46

At breakfast, a restaurant charges $2 for the first cup of orange juice and then $1 for each refill. Which graph represents this situation?

How to solve complex number problem is x square + 2x + 65=0

Express f in standard form: f (x) = x^2 - 2x + 3

Mrs. Barry has 27 watches on display her store. Mr. barry says that she can make only 1 row with all 27 watches. Is mr. Barry right? Explain

There are 16 boys and 12 girls in the spanish club. four more boys joined the spanish club if ratio of boys to girls did not change, how many girls joined the spanish club?

There are 9 red and 6 green marbles in a bag. A child reaches in the bag and randomly takes one marble. What is the probability pf that child getting a green marble

Write these values in order, starting with the smallest. 72%, 0.6, 21/25, 0.75, 1/2

A veterinarian needs to know an animal's weight in kilograms if 20 lb is about 9 kg in a dog weighs 30 lb use a ratio table to find the dogs weigh in kilograms explain your reasoning