Joel used a half gallon of paint to cover 84 square feet. he had 932 more square feet to paint. how many additional gallons of paint should he purchase?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

Use the given information to determine the exact trigonometric value.

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)