Anjali, Ravina and Sandeep are going to share £21 156 between them. Anjali is going to receive 20% more than Ravina.
the amount of money Ravina gets : the amount of money Sandeep gets
3:2
Work out the amount of money each of the three girls receives.

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile

Which of the following vectors are orthogonal to (2,1)? check all that apply

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)