Here is the equation of a circle in standard form.
(x + 10)2 + (y + 9)2 = 100

What is the radius?

A. 100
B. 50
C. 10

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Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?

What is the answer to this problem? ignore the work. what is the correct answer?