Dora reaches her goal of $ 400 in savings. she decide to set a new goal of $900.how many $100 bills will she need to reach $900 in savings? explain your answer using words pictures or numbers

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)

The nth term of a sequence in 2n-1 the nth term of a different sequence is 3n+1 work out 3 numbers that are in bothe sequences and are between 20 and 40

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed