A circle has a radius of 10 units and is centered at (-9,9). What is the equation of this circle? \sqrt{9 square root of, 98, end square write the equation of this circle.

What are the soultion(s) to the quadratic equation 40- x^2=0

What is the rate for one gallon of gasoline

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)