There are 30 calories in cup of red seedless grapes. How many calories are consumed if a person eats between and 1 cups of grapes?

Why do interests rates on loans to be lower in a weak economy than in a strong one

What is fraction that is equivalent to 3/8

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)