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which of the following can be used as "reasons" in a two-column proof
1). given
2). inductive reasoning
3). definitions
4). algebraic properties
(you can select more than one)

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

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)