HELP ME PLEASE OK SO The model below represents the equation 3x + 2 = 14. What is the first value of x. A add 2 positive counters to both sides of the model

B add 14 positive counters to both sides of the model

C Subtract 2 positive counters from both sides of the model

D Subtract 14 positive counters from both of the sides

We just started the introduction into circles and i have no idea how to do this.

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)

Landon drove 103.5 miles on tuesday 320.75 miles on wednesday and 186.30 miles on thursday for work his company pays 0.07 $ for each mile he drives he expects to be paid more than $40,000 is he correct explain